When I try to find _______ that prevents so many people from taking part in the program,it seems to me that there are two main causes.
| A．why it does | B．what it does |
| C．what it is | D．why it is |
相关试题
His mother hardly seemed to notice as the boy go of her hand．
| A．let | B．made | C．had | D．got |
The moment we arrived within mobile phone , my phone lit up with lots of messages．
| A．range | B．distance | C．reach | D．extent |
－“Could we put off the meeting?” he asked．
－“ , ” she answered politely．“This is the only day everyone is available”．
| A．Not likely | B．Not exactly | C．Not nearly | D．Not really |
humanoid（有人特征的）robot newly acquired by Imperial College in London will lead to deeper understanding of human intelligence．
| A．The; the; / | B．A; a; a | C．A; a; / | D．A; the; / |
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