Doing your homework is a sure way to improve yor test scores, and this is especially true ____ it comes to classroom tests.
| A．before | B．since | C．when | D．after |
Vegetables _________ many kinds of vitamins and many other useful materials. We should eat them_________.
| A．contain ；everyday | B．contain ；every day | C．include；everyday | D．include；every day |
__________ is important to a person is ___________ he must know _________ he is fit for.
| A．What; that ; what | B．That; how; what | C．It ; that ; that | D．It; what ; that |
Supermarkets are supplied with __________ red lucky gifts at the Spring Festival.
| A．plenty of | B．a great amount of | C．a great deal of | D．a great many of |
I thought my eyes must be playing tricks _______ me.
| A．with | B．on | C．for | D．to |
In the quiet darkness, I could hear someone _______ the door and go upstairs.
| A．open | B．to open | C．opened | D．to be opening |