A: Since
B: After
C: When
D: Before
举一反三
- You must look carefully ______ you cross the road . A: before B: after C: and D: but
- When _______the street, you must be careful.
- Be careful when you _____ the road. A: cross B: walk C: across D: through
- It’s a long time . A: since I saw you last B: after I saw you last C: before I saw you last D: when I saw you last
- You are requested to complete the entry formalities at the arrival hall______ you have disembarked A: when B: after C: before D: since[单选题][2分][难度2]
内容
- 0
--- Tommy, you should finish your homework______ you go out to play. --- I know, mum. A: before B: after C: when D: while
- 1
-- It is a long time _____ I saw you last.-- Yes. And it will be a still longer time ______ we see each other again. A: after; since B: since; before C: after; when D: since; while
- 2
You ______ be too careful when you are driving. A: should B: needn't C: cannot D: must
- 3
When should you write a letter of acknowledgement A: After you are employed by the company. B: Before you begin to work. C: After an interview. D: Before an interview.
- 4
当你到一个国家,你必须使自己适应新的风俗。 A: When you go to a country, you must adapt yourself to the new custom. B: When you go to a country, you must adapt yourself to the new customs. C: When you go to a country, you must adapt yourself to the new customer.