单项选择题
(If) the experiment succeeds or fails, it will (provide us with) (valuable) experience, which is essential to (improving) our future work.
- A．If
B．provide us with
C．valuable
D．improving
点击查看答案&解析
相关考题
-
单项选择题
His parents are (worried) (because) they haven't heard (of) their son (in) more than two months.
A．worried
B．because
C．of
D．in -
单项选择题
The doctor (told) him that he (should take) this medicine (one) pill at (one) time.
A．told
B．should take
C．one
D．one -
单项选择题
The reason (why) Jack (failed) to (attend) the lecture is (attend) he had a bad cold.
A．why
B．failed
C．attend
D．attend
