All ________is needed for life on board the submarine comes from the ocean.
| A．/ | B．what | C．that | D．which |
The shop is just around the corner and you won’t miss it .
| A．bicycle’s | B．bicycle | C．bicycles | D．bicycles’ |
Some people fear that air pollution may bring about changes in weather around the world .
| A．/ ; the | B．the ; / | C．an ; the | D．the ; a |
so much salt in the Dead Sea that people won’t get sunk.
| A．It exists | B．T here has existed |
| C．There exists | D．It has existed |
. I’m really hungry. Let’s eat at restaurant has a free table.
A. whichever B. whatever
B. which D. what
These surveys indicate that many crimes go by the police， mainly because not all victims report them.
| A．to be unrecorded | B．to have been unrecorded |
| C．unrecorded | D．unrecording |