34. China has a population of 1.3 billion, ____ it the largest country in the world by population.
A. making B. made . makes D. to make
You ______ regret all your life if you drive after you take some wine, I tell you．
| A．shall | B．may | C．must | D．can |
．______ he works hard, I don’t mind when he finishes the experiment．
| A．As long as | B．As well as | C．So far as | D．As soon as |
—How long are you staying?
—I don’t know．______．
| A．That’s OK | B．Never mind | C．It depends | D．It doesn’t matter |
．—Please go and say hello to your aunt．She’s in the living room now．
—She has arrived! But when ______ she ______?
| A．will; arrive | B．did; arrive | C．had; arrived | D．has; arrived |
—Fool _____ I am, I will not believe you any more．You have been promising a hundred times!
—But Mum, this is the last time．
| A．as | B．although | C．if | D．so |