The teacher together with the students discussing Writing skills that newly published in America.
| A．are; were | B．are; was | C．is; was | D．is; were |
相关试题
She thought herself _______ to her friends because her family was rich.
| A．superior | B．better | C．richer | D．higher |
I have no _______ to the plan, so long as it would not cost too much.
| A．refusal | B．comment | C．idea | D．objection |
The radiation amount of a mobile phone for two half-hour periods per day is equal to _______ to an X-ray for ten seconds.
| A．expose | B．exposing | C．exposed | D．being exposed |
—Another cup of coffee? That’s your third since lunch.
—Yeah, well, I ____ all night preparing for my history exam. I can hardly keep my eyes open.
| A．stayed up | B．have stayed up | C．have been staying up | D．will stay up |
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