一、根据句子意思,从方框中选用恰当的单词或短语填空,可重复使用。
because because of since as
1. _______________ you are tired, you had better have a rest.
2. —Why do you like English?
— _______________ it's so interesting.
3. _______________ he is busy, I won't trouble him.
4. _______________ the heavy rain, we had to stay inside.
5. _______________ you are wrong, you should say sorry.
6. —Why did you call Sarah last night?
— _______________ I wanted to invite her to my birthday party this weekend.
7. We didn't attend the meeting yesterday not _______________ it was rainy.
8. _______________ the snow, we had to put off the sports meeting.
9. _______________ it was Saturday, he didn't have to go to school.
10. _______________ the weather is fine, let's go for a picnic.

As/Since
; Because
; Since/As
; Because of
; Since/As
; Because
; because
; Because of
; Since/As
; Since/As

( )1. (2023·江苏扬州广陵区一模) ______ this is your first visit to New York, you'd better learn some of the customs.
A. Unless
B. Since
C. Although
D. Until

B

( )2.(2022·浙江温州)—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

D

( )3.(2023·江苏泰州)The news Besides A and B, C appears beautifully in the sky makes us excited ______ "C" is C919 from China, with many Jiangsu elements(元素).
A. because
B. so
C. though
D. then

A

( )4. —Why do you have time to look after the homeless dogs?
—______ the "Double Reduction" policy("双减"政策), I have more free time.
A. Because of
B. Even though
C. As for
D. Think of

A

( )5. (2023·江苏无锡外国语学校一模)Life is like a one-way race, so treasure every moment ______ time cannot be won again.
A. so
B. as
C. if
D. unless

B