—________ the population of the world?
—It _________ about 6.8 billion.
A. How many, is B. How much, is C. What’s, is
The life we were used to ______ greatly since 1980.
| A．change | B．has changed |
| C．changing | D．have changed |
My family ________ supper together every day. It’s really a happy time for all of us.
| A．have | B．had |
| C．are having | D．will have |
—Do you know Ang Lee’s latest film “Life of Pi”?
—Of course, I like it very much. I the film several times.
| A．see | B．saw |
| C．have seen | D．had seen |
He _____ in this factory for 20 years already.
| A．will work | B．works |
| C．has worked | D．is working |
I will stay at home and read some books if it _________ tomorrow.
| A．rain | B．will rain |
| C．rains | D．is going to rain |