单项选择题
A.for a start B.with a start C.at the start D.from the start
At first, the speaker was referring to the problem of p...
单项选择题At first, the speaker was referring to the problem of pollution inthe country, but halfway in her speech, she suddenly（）to another subject.
A.committed B.switched C.favored D.transmitted
Your advice would be（）valuable to him, who is at presen...
单项选择题Your advice would be（）valuable to him, who is at present at his wits' end.
A.exceedingly B.excessively C.extensively D.exclusively
She cut her hair short and tried to（）herself as a man.A...
单项选择题She cut her hair short and tried to（）herself as a man.
A.decorateB.disguiseC.fabricateD.fake
