--What kind of apartment do you want to rent? A large one, Mr. Smith? --Er, it ________ be a large one, as my family is not large.

I didn’t know that he was a cheat, or else I ________________ him.

I’m glad you told me about yesterday’s show being cancelled. Otherwise I _____ all the way for nothing.

—— I didn’t see her yesterday. —— Oh, but you ＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿. 

(2013·天津高考)If he had spent more time practising speaking English before, he ________ able to speak it much better now.