Taking a trip abroad is certainly good for old couples, but it remains ____ whether they will enjoy it.
| A．to see | B．to be seeing | C．to have seen | D．to be seen |
In this factory there are 2,000 workers, two thirds of ______ are women .
| A．them | B．which | C．who | D．whom |
Mr. Wang decided to devote all his time_______ his spoken English before going abroad.
| A．improve | B．to improve | C．improving | D．to improving |
It's difficult to ______ the discussion with all this noise around us.
| A．carry about | B．carry on | C．carry off | D．carry away |
--- _______ for the glass.
---It’s OK .I ‘m wearing shoes
| A．Watch out | B．Walk out | C．Go out | D．Set out |
It is often said that _______famers lead _______very hard but simple life.
| A．/; / | B．/; a | C．the; / | D．the; a |