We should often keep _____ touch with each other, because we are good friends.
| A．on | B．to | C．in | D．up |
Tom will look for a new job _______ his boss offers him more money.
| A．as soon as | B．as if |
| C．as long as | D．unless |
The old man was quite weak after the operation, so he must ___________well.
| A．care about | B．be cared for |
| C．take care of | D．be taken care of |
--It’s said the population of India has almost reached 1.3 billion this year.
--Sounds terrible! So ________! The government must take measures to control it.
| A．many | B．much | C．large | D．small |
Which of the following gestures means “I’m puzzled.”?
–Mom, I don’t know which piece of cake belongs to me.
--Well, my dear. They are _______ the same, you may take _______ half.
| A．both ; every | B．all ; any |
| C．both ; either | D．all ;either |