Lots of medicine as well as equipment such as tents _______ offered to the area since the earthquake occurred.
| A．has been | B．have been | C．is being | D．are being |
相关试题
The “eat-up” campaign, ______ by Xu Zhijun and his three friends, has raised awareness of food waste all over the country.
| A．started | B．starting | C．to be started | D．to start |
I was about to inform you of the sudden change ______an unexpected visitor came.
| A．because | B．before | C．when | D．unless |
In order to get good marks in the coming exam, my son ______late every night in the past three weeks.
| A．studies | B．studied | C．has been studying | D．was studying |
—Have you heard of ______ death of Nelson Mandela?
--Oh, really? It will be ______shock to the world.
| A．/; the | B．a; the | C．/; a | D．the; a |
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