The old couple preferred a flat in a small town to ______ in so large a city as Chongqing．
| A．this | B．it | C．that | D．one |
The early warning of floods, over the radio and on TV, spread quickly through the area.
| A．having broadcast | B．broadcasting | C．broadcast | D．to be broadcast |
After visiting China, most of the foreign friends said they would never forget the time _________they had spent in China.
| A．what | B．that | C．when | D．at which |
, I think, and the problem could be settled.
| A．If you don’t doubt your efforts | B．So long as you keep up your spirits |
| C．Making great efforts | D．A bit more efforts |
Nowadays, few people form the habit of keeping the habit of candles in the house in case of power .
| A．drop | B．lack | C．absence | D．failure |
To keep healthy, she cycling as a regular form of exercise after he retired.
| A．took up | B．caught on | C．carried out | D．made for |