20. There is only one day left for us in Hangzhou and we will have a ________ tour around the city.
| A．brief | B．common | C．single | D．Simple |
The staff are excited that they have succeeded in what they ____ to do three months ago.
| A．set off | B．set about | C．set out | D．set up |
--- How’s everything going?
--- _______________.
| A．Everything is finished | B．Not so bad, you know |
| C．Everything has been done | D．Not doing wrong, you know |
When the exciting news eventually came, the girl______ her feelings and burst into tears.
| A．lost sight of | B．lost control of | C．took hold of | D．took charge of |
Not until all the fish die in the river ____ how serious the pollution was.
| A．did the villagers realize | B．the villagers realized |
| C．the villagers did realize | D．didn’t the villagers realize |
For the______ of the customers ,the supermarket has recently opened several new branches in town.
| A．possibility | B．convenience | C．sightseeing | D．administration |