. Emergency line operators must always ________calm and make sure that they get all the information they need to send help.
| A．grow | B．appear | C．become | D．stay |
Each member country of WTO must _____ its laws and regulations and compete on the principle of fairness and co-operation.
| A．reply to | B．correspond to | C．relate to | D．submit to |
_____ sculpture is to a block of marble, education is to a human soul.
| A．That | B．Which | C．What | D．Where |
—Why didn’t you pick up the sunglasses?
—I _____ it, but I didn’t carry that much money.
| A．could buy | B．should buy | C．must have bought | D．could have bought |
. —Do you know why the Yellow River basin is called the Cradle of Chinese Civilization?
—Well, well, _____. I’ve never read about that.
| A．you really have me there | B．there is some doubt | C．I can’t tell you | D．that depends |
On April 14th, residents of China's remote Yushu County, located on ______ Tibetan plateau, were awoken by ______ strong earthquake.
| A．the; the | B．a; the | C．a; 不填 | D．the; a |