Investigators are still trying to determine the __________ of the accident.
| A．cause | B．problem | C．reason | D．puzzle |
相关试题
Social networking is an important factor _______ business success.
| A．devoting to | B．appealing to | C．attaching to | D．leading to |
Duri
ng the expedition in the mountains we passed through a place where in a little while we all lost out ______ of direction.
| A．sense | B．feeling | C．idea | D．ability |
He is free now, so he ______ go with us, but he hasn’t decided yet.
| A．shall | B．must | C．may | D．will |
–I’m glad to be offered the job．Shall I start tomorrow?
– ______．See you tomorrow.
| A．That’s hard to say | B．That depends |
| C．That’s all right | D．That would be great |
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