It was when she was about to go to bed ______ the telephone rang.
| A．since | B．as | C．that | D．then |
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 |
Her mother does not ______ of her going to study in the United States alone.
| A．admit | B．agree | C．prove | D．approve |
_______ to the left , and you will find the post office．
| A．Turning | B．Turn | C．To turn | D．Turned |
It took her a while to adjust to __________alone after the divorce(离婚).
| A．live | B．living | C．have lived | D．being lived |
There is so much noise in the yard that I can’t ________ my attention on my work.
| A．attract | B．pay | C．absorb | D．concentrate |