—When did the Greens come to China?
—They_____ China for seven years.
| A．have come to | B．have been to |
| C．have come in | D．have been in |
-What's your favorite ?
-Surmmer. Because I can swim in the river in summer.
| A．subject | B．season | C．music | D．sport |
The Blacks are going to all over the world.
| A．make | B．see | C．visit | D．travel |
_____ fine mornings, old people get together and do exercise by the lake.
| A．At | B．on | C．To | D．In |
We have worked for three hours. Now let's stop _________ a rest.
| A．to have | B．had | C．have | D．having |
My favorite is a film _________ Harry Potter.
| A．call | B．called | C．calling | D．calls |