题目内容：

1.the weather this year is much wetter than ___ last year.
2.he has been working in the company___
A.for one year agoB.last yearC.since last year.D one year ago
3.the population in china is much larger than ___ in jaan
A.one B.that C.it D.this

优质解答

1.that 代指the weather
2.C 主句是现在完成时,要选有since的,A表达错误,for和ago此处不能同时出现,BD都是一般过去时
3.B 同1题