The annual Energy & Environment Conference calls on our human beings to _______environmental issues.
| A．care for | B．care of | C．care about | D．care in |
——When did it begin to snow?
——It started ____ the night.
| A．during | B．by | C．from | D．at |
You can’t miss him. He_____ a dark green suit and a yellow tie waiting for you then.
A .is wearingB will wear C. wears D. will be wearing
That light rail transit line(轻轨)，started in July 2009 and _________in 2012, will be China’s longest light rail transmit line in history.
| A．completing | B．to be completed | C．completed | D．complete |
At the news conference the Foreign Minister spoke slowly so as to ______ what he would say.
| A．pass | B．weigh | C．cover | D．spread |
– Our holiday cost a lot of money.
--That doesn’t matter______ you enjoyed yourselves.
| A．unless | B．so long as | C．even though | D．while |