It’s _______ MP5 . It can be used to listen music and watch movies . It’s ________ useful invention .
| A．a ; a | B． a ; an | C．an ; a | D．an ; an |
相关试题
My father is able to _______many different kinds of computers.
| A．look up | B．take up | C．fix up | D．clean up |
—The apples _________sweet. Would you like another one?
—No, thanks.
| A．look | B．sound | C．taste | D．feel |
People pay more attention to protecting environment. There _________ less pollution in the future.
| A．will have | B．will be | C．is going to have | D．are going to be |
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