泵广泛应用于工矿企业中,用电量很大,约占全国用电量的()左右。
A.20%;
B.25%;
C.30%;
D.15%
参考答案:A
I would like________to the party last night but I had to work extra hours to finish a report.
A.to go
B.to have gone
C.going
D.having gone
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