Thank you for giving me so much help. I _______in the experiment without your support.
| A．have failed | B．will fail | C．would have failed | D．must have failed |
People should ______the traffic rules when they travel to a new place. Nobody can be exception.
| A．perform | B．observe |
| C．possess | D．support |
So far, some advanced teaching equipment, together with three hundred new books, ______ to those schools in the faraway area.
| A．has been sent | B．have been sent |
| C．was sent | D．were sent |
That was _____ time when girl’s education was always placed ____ second to boy’s.
| A．a; a | B．the; the | C．/; / | D．a; / |
——The room is dusty.
_______________.
| A．Good. | B．I’m afraid so. |
| C．With pleasure. | D．Exactly. |
Will you _________ playing basketball?
| A．join us in | B．join to |
| C．attend | D．take part |