_____is known to us all is that we should do as much as we can ______ stop the pollution of the environment.
| A．It; help | B．What; to help | C．As ; to help | D．That ; help |
Compared with one's workplace, home provides a more humane environment for one to____ relax oneself．
| A．closely | B．fully | C．widely | D．sincerely |
On the eve of Chinese Spring Festival, the number of electronic red envelopes given and received via WeChat ____ 1．01 billion, 200 times that of 2014．
| A．adds to | B．applies to |
| C．appeals to | D．amounts to |
It's one thing to send a short message but to hove the person receiving the message actually do something．
| A．another | B．other | C．the other | D．others |
As large numbers of Chinese flocked to Japan to pay thousands for toilet seats, it was a surprise to many people the smart toilet lids on sale in Japan were actually made in China．
| A．whether | B．how | C．which | D．that |
—Jack, do you have any problems if you______
—Well, I'm thinking about the salary．．．
| A．will be offered | B．have offered |
| C．are offered | D．will offer |