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 |
______ __ a reply, he decided to send another e-mail.
| A．Not receiving | B．Receiving not |
| C．Not having received | D．Having not received |
You should understand the traffic rule by now. You’ve had it ________ often enough.
| A．explaining | B．to explain | C．explain | D．explained |
When ________ imported goods，people are ________ about all the different labels on food these days.
| A．choosing；confused | B．choosing；confusing |
| C．chosen；frightening | D．choosing；frightened |
What he said just now _____ me of that American professor.
| A．accused | B．reminded | C．informed | D．memorized |
When copying the paper，be careful not to ________ a single word.
| A．leave out | B．come out | C．begin with | D．come up |