As we all know, the functions of our skin are very .
| A．complex | B．simple | C．brief | D．tight |
The class __________ 80 students is hard to manage.
| A．consisting of | B．consists of | C．making up of | D．made up |
You __________ to leave until you __________ your work.
| A．won’t be allowed; have finished | B．won’t allow; finish |
| C．won’t be allowed; will finish | D．won’t allow; will finish |
The girl’s face looked pale, so our classroom teacher requested that she ________to hospital immediately.
| A．send | B．should send | C．sending | D．be sent |
Not until I began to work ________ how much time I had wasted.
| A．didn’t realize | B．did I realize | C．I didn’t realize | D．I realized |
The roads are crowded __________ walking to work is even quicker than driving.
| A．so that | B．in order to | C．so as to | D．so as that |