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关注公众号：陆陆高分冲刺 ~领取：最新版“小中高考-总复习”、最新试卷下载
百日打卡-状语从句2
原因状语从句
原因状语从句的引导词有because，since，as等。
注意：1. because 和 so 不能同时使用 。
如：He didn’t come to school yesterday because he was ill. 他昨天没来上学，因为他生病了。
2. since引导原因状语从句表示显然的或已为人知的理由，表示“因为，既然”
如：Since everyone is here, let’s start.既然大家都到期了，我们就开始吧。
一、单项选择
1． I love going to school ________ everyone in my class is friendly.
A．before B．although C．because D．unless
2． Many wild animals don’t have a safe place to live, ________ villages and farms are growing bigger and
taking away their land.
A．because B．until C．although D．before
3． We are making a big cake ________ it’s Dad’s birthday today.
A．because B．until C．once
4． I want to buy something special for my grandmother, _______ her birthday is coming.
A．because B．although C．so
5．—Mum, may I have more chocolate?
—You’d better not ________ too much sweet food is bad for health.
A．until B．while C．although D．because
6． Lucy is busy making a fruit cake ________ it’s her mother’s birthday today.
A．or B．but C．although D．because
7．________ we’ve made the promise, let’s keep to it and not give up easily.
A．Whether B．Since C．Though D．Unless
8． Life is like a one-way race, so treasure every moment ________ time cannot be won again.
A．so B．as C．if D．unless
9．Nowadays, Chinese food is getting more and more popular _________ it is not only colorful but also
tasty.
A．unless B．because C．although D．until
10．—Did you hear the news about the opening of Ganzhou-Shenzhen high-speed railway on December
10th?
1关注公众号：陆陆高分冲刺 ~领取：最新版“小中高考-总复习”、最新试卷下载
—Yes. I was excited about it ________ my parents can come back home in 1.5 hours.
A．until B．but C．although D．because
11． Zha Xi didn’t go to school ________ he was ill.
A．because B．because of C．if D．so
12． We didn’t enjoy the trip at all ________ the weather was awful.
A．although B．because C．unless
13． We didn’t enjoy the day ________ it rained heavily.
A．because B．though C．if
14． ________ we have come to the old town, why not taste the local food?
A．If B．Unless C．Since
15． I don’t have to introduce her to you ________ you know the girl.
A．until B．unless C．since D．but
16．________ your father is well again, you no longer have anything to worry about.
A．Since B．Before C．Although D．While
17． Many Chinese people are falling in love with camping ________ long-distance travel is becoming
more difficult.
A．until B．although C．unless D．since
18． ________ you have finished most of your homework at school, you needn’t stay up late to do it.
A．Before B．Until C．Since D．When
19． ________ everything was going according to the plan, there was no need to worry.
A．Since B．Although C．Unless D．Before
20． ________ there are different customs in different countries, it’s necessary to learn them before going
abroad to avoid trouble.
A．As B．Unless C．Although
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