能作蓄水检验的屋面,其蓄水检验时间不应小于()h。
A.12
B.24
C.36
D.48
参考答案:B
Who are the two men over there ?
They are _________fathers.
A.Jim’s and Bob’s
B.Jim’s and Bob
C.Jim and Bob’s
D.Jim and Bob
--Hello, is Mr. Smith at home?---Sorry, but he _____.
A.doesn't live any more here
B.no longer lives here any more
C.lives here not any more
D.no longer lives here