an ad can lead you to buy something you don’t need at all. So you have to be careful.

The weather isn’t good enough for an outing, is it?—Not in the least. We can’t have ______ at this time of the year.[ ]

Life in the oceans ranges from the tiniest plankton(浮游生物) ______ to giants like sharks and whales.

(2010·天津模拟)Get out of here at once_________ not, I’ll phone the police

176. — I didn’t know you were goodfriends.— You ______. I have known her since shemoved here. You were studying aboard then.