There were dirty marks on her trousers _______ she had wiped her hands.
| A．where | B．which |
| C．when | D．that |
He chose to teach in a western province, though he _______ in the city for a better life.
| A．could stay | B．would stay | C．could have stayed | D．had stayed |
—Did you hear that Li Hua was robbed during his recent trip to South Africa?
—Yes, not only ________ his money, but he was nearly killed.
| A．he lost | B．did he lose | C．he had lost | D．was he lost |
Now the world’s attention ______ the stocking markets, as they have great influence in the world’s economy.
| A．is fixing on | B．has fixed on | C．is being fixed on | D．had been fixed on |
Shopping online can save much time as you _______ go to a shop or walk around crowded
shopping centers.
| A．don’t have to | B．oughtn’t to | C．won’t | D．mustn’t |
______ there are living creatures in the outer space as those on Earth hasn’t been proved until
now.
| A．How | B．When | C．Where | D．Whether |