雪，我们只好推迟了。第一个if引导的是宾语从句，表示将来会发生的事，用will表将来，hold the sports meeting 举办运动会。所以the sports meeting做主语，应该用被动语态。第二个if引导的是条件状语从句，主句是一般将来时，if从句则用一般现在时。故选B。
【点评】考查动词时态，if引导的条件状语从句使用主将从现。
17．—Have you watched the new movie Kung Fu Panda 3, Kelly?
—Not yet. I _____ it with my classmate tonight.
A. will watch
B. was watching
C. have watched
【答案】A
【解析】【分析】句意：—凯莉，你看过新电影《功夫熊猫3》吗？—还没有呢。今天晚上我要和我的同学一起去看。A. will watch一般将来时态形式；B. was watching过去进行时态形式；C. have watched现在完成时态形式。本句描述的是今天晚上将要发生的动作，句子用一般将来时态。故选A。
【点评】本题考查时态辨析。以及will watch；was watching；have watched三种时态的用法和区别
18．I’m so lucky because I see more cartoon characters next month.
A. is able to
B. will be able to
C. be able to
D. was able to
【答案】B
【解析】【分析】句意：我真幸运因为我下个月能看到更多的卡通人物。next month表将来，因此用will be able to。故选B。
【点评】考查一般将来时。
19．—May I speak to Mr. Smith?
—Sorry, he _______ Australia. But he _______ in two days.
A. has been to; will come back
B. has gone to; will be back
C. has been in; would come back
D. is leaving for; doesn't come back
【答案】 B
【解析】【分析】考查动词的时态。句意：——我可以和史密斯先生通话吗？——对不起，他去澳大利亚了。但是两天后回来。have gone to“去某地了（还没回来）”；由时间状语in two days可确定第二个空用一般将来时，故答案为B项。