——Do you know where David is? I couldn’t find him anywhere.
——Well, he_______ gone far—his coat’s still here.
| A．shouldn’t have | B．mustn’t have | C．can’t have | D．wouldn’t have |
He was puzzled by this phenomenon. He began to try every approach _________ the best way of working it out.
| A．known to find | B．knowing to find | C．known finding | D．knowing finding |
He was puzzled by this phenomenon. He began to try every approach _________ the best way of working it out.
| A．known to find | B．knowing to find | C．known finding | D．knowing finding |
All the workers think it very necessary to safety regulations and workshop
rules.
| A．campaign | B．inspire | C．confuse | D．observe |
-----Are you ____to be out late tonight?
-----No,because it is rather cold outside.
| A．possible | B．maybe | C．probable | D．likely |
Probably you will of the fact that the medicine can make him come to life.
| A．be convincing | B．have convinced | C．convince | D．be convinced |