题目内容
选择下列单词的正确形式填空,每个只能用一次。
|
if |
when |
before |
must |
because |
|
may |
after |
mustn't |
can't |
until |
(1) Please give me a ring _________ you talk to your parents.
(2) You must wait ________ others get on the bus.
(3 )Don't say that _________ you look at the picture.
(4) _________ the lights are red, you must wait.
(5) Excuse me. ________I use your car, please?
(6) Tom was away yesterday _________ he was ill.
(7) I ________finish my homework first.
(8) You ________ play in the street. It's too dangerous.
(9) ________ you make lots of noise, you may disturb others.
(10) They ________ solve the problem. Let's help them.
答案:after;until;before;when;may;because;must;mustn't;if;can't
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