When first to the market, these products enjoyed great success. (2012．全国Ⅱ)
| A．introducing |
| B．introduced |
| C．introduce |
| D．being introduced |
It’s necessary to be prepared for a job interview. the answer ready will be of great help.
| A．To have had | B．Having had | C．Have | D．Having |
—Why does the lake smell terrible?
—Because large quantities of water.
| A．have polluted | B．is being polluted | C．has been polluted | D．have been polluted |
______achievement , last week’s ministerial meeting of the WTO here earned a low , though not failing .
| A．In terms of | B．In case of | C．As result of | D．In the eyes of |
he is well again, he can go on with his English study.
| A．Ever since | B．Now that | C．So that | D．As if |
Because of the snow , many parts of the countryside are only _____ by helicopter.
| A．potential | B．productive | C．accessible | D．visual |