Living in the central Australia desert has its problem, _____ obtaining fresh water isn’t the least.
| A．for which | B．to which | C．of which | D．in which |
—He is suffering from __________ in his back, but he is still working.
—Maybe he knows no __________, no gains.
| A．pain ； pain |
| B．a pain ；pains |
| C．pains ； pain |
| D．painful ； pains |
—Why do you eat so little? Mind your health.
—Oh, please don't be __________ about me. I'm just __________.
| A．worry ； on diet |
| B．anxious ； dieting |
| C．worried ； on diet |
| D．anxious ； diet |
Can you name some illnesses __________ with smoking?
| A．connects |
| B．is connected |
| C．connected |
| D．connection |
We noticed a cat __________ towards the big tree and disappear last night.
| A．to head |
| B．head |
| C．heading |
| D．headed |
In the second type, the shark pushes you with its nose to find out if you are fit __________, and then bites you if it thinks you are.
| A．to eat |
| B．to be eaten |
| C．for eating |
| D．for being eaten |