The hero said he didn’t think twice ____ diving into the freezing river to rescue that child.
| A．before | B．after | C．until | D．when |
We were ___ to leave our homes because of the flood.
| A．stressed |
| B．pressed |
| C．argued |
| D．persuaded |
Health problems are closely connected with bad eating habits and a ___ of exercise.
| A．limit |
| B．lack |
| C．need |
| D．demand |
Although this phenomenon can’t be understood, it can be ___ in fact.
| A．unacceptable |
| B．tolerated |
| C．misunderstood |
| D．adopted |
The children grew up in beautiful ___ but not in a happy home ___.
| A．surrounding; environment |
| B．surroundings; environment |
| C．environment; surroundings |
| D．environment; surrounding |
The most appropriate time for our meeting is ___ this Friday.
| A．ahead of |
| B．previous of |
| C．in advance of |
| D．previous to |