We will go out for a barbecue in the park it .

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We will go out for a barbecue in the park it . [ ]
A. unless; isn"t rain
B. unless; rains
C. if; rains
D. if, isn"t; rain

答案

举一反三

The football fans went on watching the match        it was rainy.      [     ]
A. although
B. but
C. if
D. so

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l didn"t go to bed      __   my mother came back.      [     ]
A. until
B. while
C. since
D. unless

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I have seen that film three times          _ I really enjoy it a lot.          [     ]
A. because
B. although
C. so that
D. until

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He had to work hard to earn money______ his children were at college.    [     ]
A. as
B. after
C. while
D. before

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I don"t know          he will come here or not this evening.         [     ]
A. if
B. whether
C. weather
D. when

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