初三英语选择题（情态动词,系动词）今天要啊!
1.-Who's the man over there?Is it Mr Black?
-It _____ be him.He's much taller
A can't B mustn't C should D may
2.-Long time no see!
-Oh,it __ like years since I last saw you.
A looks B seems C feels D sounds
3.-It must be John who is in the office.
-I'm sure it _____ be John.I saw him off at the railway station just twenty minutes age.
A won't B mustn't C can't D needn't
4.-Listen!Helen is singing in the next room.
-It ____ be Helen.She has gone to Beijing.
A can't B mustn't C may D should