The salesman scolded the girl caught and let her off.

to have stolen

to be stealing

stealing

考查非謂語動詞。句意：這個銷售員責(zé)備了被抓住正在偷東西的女孩，然后，讓她走了。分析句子結(jié)構(gòu)，caught是過去分詞作定語，修飾前面的名詞 the girl,"女孩"和"偷東西"之間是主動關(guān)系，用現(xiàn)在分詞作賓語補足語，構(gòu)成catch sb doing sth結(jié)構(gòu)。意為抓住某人正在做某事。故選D項。

it was at 10 pm yesterday______he came home from work.

that

when

which

what

考查強調(diào)句。句意：昨天晚上10點他下班回家?？疾閕t+be+強調(diào)部分+that+句子，選A。

---Shall I tell Jhon about it?

---No, you . I've told him already.

needn't

wouldn't

mustn't

shouldn't

考查情態(tài)動詞。句意：---要我告訴約翰這件事情嗎？--不，不必了，我已經(jīng)告訴他了。A.needn't不必；B. wouldn't不會；C. musn't禁止，不允許；D. shouldn't 不應(yīng)該。根據(jù)“I've told him already”，可知這里是“不必要”。故選A項。