The doctor recommended that you swim after eating a large meal .
| A．wouldn’t | B．couldn’t | C．needn’t | D．shouldn’t |
In order to make our city green, _______.
| A．it is necessary to have planted more trees | B．many more trees need to plant |
| C．our city needs more trees | D．we must plant more trees |
In order not to be disturbed ,I spent three daysin my study.
| A．locking | B．locked | C．to lock | D．lock |
He sat back on the chair, took a book and began to read, ___.
| A．being looked at ease | B．looked rather at ease |
| C．to look rather at ease | D．looking rather at ease |
David apologized for ______ to inform me of the change in the plan.
| A．his being not able | B．him not to be able |
| C．his not being able | D．him to he not able |
They really have a great time too , designing everything , drawing the blue prints ,the angles and so on .
| A．looking out | B．taking out | C．finding out | D．figuring out |