So suddenly ________that the animals in the zoo looked very frightened during the total solar eclipse (日全食)．
| A．did the sky turn dark | B．the sky did turn dark |
| C．turned the sky dark | D．was the sky turned dark |
I simply couldn’t understand how it _____ that you did so much work within such a short time．
| A．came about | B．came back | C．came up | D．came along |
I don’t think she will come to the meeting on time, ______?
| A．do I | B．do you | C．will she | D．won’t she |
—Could I speak to Miss Smith, please?
—______． She’s gone to the post office．
| A．I’m afraid not | B．I think so | C．Certainly you can. | D．I’m not sure． |
Two more people in Shanghai have been ________ to be infected with the deadly H7N9 bird flu, local authorities said on Sunday.
| A．conducted | B．convinced | C．condemned | D．confirmed |
As we all know, Lost in Thailand is a very successful movie, the cost of ______ is only 30 million yuan.
| A．which | B．that | C．whose | D．whom |