My host family tried to cook ________for me when I studied in New Zealand.

Mike _____ have stolen the money from the bank, _____ he appeared to be rich overnight. [ ]

(2013·高考北京卷)—You needn’ t take an umbrella.It isn’t going to rain.—Well，I don’t know.It________do.

Excuse me, you are supposed to hand in your design now.–I’m sorry, my computer broke down, or I ________ it last night.

How long you here since you to Beijing