In every communication, information ______ by gestures is always easy to misunderstand.
| A．suggested | B．transported | C．expected | D．signaled |
This cake is very sweet. You________a lot of sugar in it.
| A．should put |
| B．could have put |
| C．might put |
| D．must have put |
—Lucy doesn't mind lending you her dictionary.
—She________. I have borrowed one.
| A．can't |
| B．mustn't |
| C．needn't |
| D．shouldn't |
He________have completed his work; otherwise, he wouldn't be enjoying himself by the seaside.
| A．should |
| B．must |
| C．wouldn't |
| D．can't |
He paid for a seat, when he________have entered free.
| A．could |
| B．would |
| C．must |
| D．need |
________such heavy pollution already, it may now be too late to clean up the river.
| A．Having suffered |
| B．Suffering |
| C．To suffer |
| D．Suffered |