—________ will your brother come back?
—I’m not sure. Maybe in a week.
A. When B. How C. Whether
As we know, Britain is _______ English-speaking country as well as __________ European country.
| A．a ； an | B．an ； a |
| C．a ； a | D．an ；an |
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.”?