E-mail, as well as telephones, ________ an important part in daily communication.
| A．is playing | B．have played | C．are playing | D．play |
相关试题
—I think you owe me some money?
—______? My money has never been tight.
| A．How come | B．Who says | C．What for | D．Why so |
Over the past couple of years, a variety of talent shows______on TV channels across the nation, from Super Girls to Happy Boys.
| A．appeared | B．had appeared | C．have appeared | D．were appearing |
A successful life is a life______challenges are met and difficulties overcome.
| A．which | B．where | C．that | D．what |
—Hi, Vera, have you checked the account yet?
—Certainly. I it five times even though you told me to do it twice.
| A．checked | B．will have checked |
| C．have been checking | D．had checked |
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