题目内容
He_______his experiments and made a great contribution to our country.
A. dived himselfinto B. devoted himself into C. dived into D. devoted to
C
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15. He ________ his doctor’s care ________ he is quite well again.
|
A．owes it to; what |
B．owes to; that |
C．owes them to; that |
D．owes it to; that |
—That’s the third time he’s won the award in this field.
—Yes. He his maximum potential in the past decade.
|
A．explored |
B．is exploring |
C．has been exploring |
D．had explored |