So far there is no proof people from other planets do exist.
| A．how | B．what | C．which | D．that |
Be sure to be here early tomorrow, ＿＿＿＿＿?
| A．will you | B．aren’t you | C．can you | D．could you |
It’s a fine day. Let’s go swimming, ＿＿＿＿＿?
| A．won’t we | B．will you | C．don’t we | D．shall we |
He suggested that the work ＿＿＿＿＿ at once.
| A．be done | B．should do | C．could do | D．does |
—— I’d like to have a piece of bread and two eggs.
—— Anything ＿＿＿＿＿?
| A．following | B．follows | C．to follow | D．to be followed |
＿＿＿＿＿ for your brother, I would not have gone to see Mr. Wang.
| A．If it is not | B．Were it not | C．Had it not been | D．If they were not |