A clean environment can help the city bid for the Olympics, which ____ will promote its economic development.
| A．in nature | B．in return | C．in turn | D．in fact |
Why don’t you just your own business and leave me alone?
| A．make | B．open | C．consider | D．mind |
You have made a mistake --- you have _______ the letter “e”.
| A．left aside | B．left alone | C．left out | D．left behind |
News reports say peace talks between the two countries have broken down ______ no agreement reached.
| A．with | B．as | C．because | D．like |
—Why didn’t you try your best to get on the bus?
—I tried to , but _______ I could, it started moving.
| A．before | B．when | C．until | D．after |
They were walking along the shore _______ a huge wave appeared out of nowhere, sweeping them out to sea.
| A．as | B．while | C．when | D．though |