题目内容

我一直在考虑这件事.I _______________ it over.A. . C.

A. have been thinking
B. have think
C. have thought
D. have been thought

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我教英语已经教了六年了。I ______________ English for 6 years(我还会继续教下去)A. B. C.

A. have been teaching
B. has taught
C. have taught
D. have been taught

Lily _________________the door.(油漆可能已经干了)

A. has painted
B. have paint
C. has been painting
D. has been paint

给水排水工程图“——F——”表示（）。

A. 热水给水管
B. 废水管
C. 污水管
D. 生活水管

建筑物的相对标高为3.900,相当于绝对标高9.600，那么相对标高为-9.600处的绝对标高为（）。

A. -9.6
B. 5.700
C. ±0.000
D. -3.9