—Excuse me,when are we going to have a picnic?—I’m not sure.Ask our monitor,please.He________know.
——Angela, I hear you are going to buy a new car. ——Yes, but I can’t ________ an expensive one.
—— What do you think of the film Rush Hour? —— ________, but someone thinks it’s ________.
---Some foreigners will visit our school tomorrow. ---Great! It’s ______to tide up our school now.
---What do you think of the dress? ---Wonderful. I don’t think I can find a _________ one.
-I think science is more useful than art. -I disagree. I think art is science.