Câu 1:It may rain this afternoon. I hope it doesn't because I don't want the match to be cancelled.
   A. If it rains, the match is cancelled.                B. If it rains, the match would have been cancelled.
   C. If it rained, the match would be cancelled.              D.If it had rained, the match would have been cancelled.
Câu 2:Unfortunately, I don't know Philosophy, so I can't answer your question(qus).
   A.If I know Philosophy, I can answer your question.
   B.If I know Philosophy, I will be able to answer your qus.
   C.If I knew Philosophy, I would be able to answer your qus.
   D.If I had known Philosophy, I would have been ble to answer your qus.
Câu 3:_________there are some more ideas, we can end the meeting now.
   A.If          B.As if             C.Unless               D.In case
Câu 4:If he__________with us now, he________the beauty of nature of the National Park.
   A.is/can enjoy        B.was/will enjoy           C.has been/would enjoy           D.were/could enjoy
Câu 5:If they had searched more carefully, they............the watch sooner.
   A.will find             B.would find              C.found               D.would have found
Câu 6:I cannot buy a new computer.................I save enough money.
   A.if                B.even if                  C.unless            D.as if
Câu 7:Most people you meet will be polite to you.................
   A.if you are polite to them                   B.if you will be polite to them
   C.unless you are polite to them                    D.if you were polite to them
Câu 8:If you do so, it ..............the matter worse.
   A.makes only        B.would only make             C.will only make             D.had only made
Câu 9:You .............English fluently unless you practice it every day.
   A,will speak             B.will not speak         C.can speak             D.did not speak
Câu 10:Hurry up..............you will miss the bus and be late for school.
   A.if          B.and               C.or             D.as