—Shall we go to the lecture about the risk of brain cancer from mobile phone use?
—________？It is closely related to our health.
| A．What if | B．Why not |
| C．What for | D．How come |
Before he started work, I asked the builder to give me a(n)_______ of the cost of repairing the roof.
| A．estimate | B．value | C．announcement | D．evaluation |
In the summer, large crops of fruit may be_______ by freezing or bottling.
| A．reserved | B．deserved | C．served | D．preserved |
They _______ all the details of the plan time and again to make sure that the project went smoothly.
| A．got through | B．got up | C．went through | D．went up |
Rather than ___ on a crowded bus, he always prefers _____ a bicycle.
| A．ride; to ride | B．riding; ride | C．ride; ride | D．to ride; riding |
All agreed to his suggestion that a bridge across the river__________.
| A．built | B．be built | C．would build | D．should build |