31．____his membership card，Tony decided to make a phone call to check whether there was something wrong．
| A．Having not received | B．Not receiving |
| C．Not received | D．Not having received |
The young man，who by then _______ admission to university，decided to do some part-time jobs to gain more practical experience．
| A．gained | B．was gaining | C．has gained | D．had gained |
—Jack took the 8:30 bus to Guangzhou this morning．
—Really? He _____ 8:20 Express．It is much more comfortable and faster to travel by train．
| A．could have taken | B．would have taken |
| C．need have taken | D．must have taken |
．—Tom, you get dead drunk again!
—_______? It’s none of your business．
| A．So what | B．How come | C．Why not | D．What for |
—How did the interview go?
—Quiet well．Not so smoothly as I expected, ______ ．
| A．instead | B．either | C．though | D．as well |
_______ it with me．I bet, I will do it well．
| A．Leave | B．Leaving | C．If you leave | D．When left |