There is ________ “u” and _________ “m” in the word “umbrella”.
a, a B. a, an C. an, a D. an, an
The population of the world ____ still ____ now.
| A．has; grown | B．is; growing | C．will; grow | D．is; grown |
There's _________800-metre-long road behind _________hospital.
| A．an,an | B．a, a | C．an, the | D．a, the |
——You have a fever. What’s the matter with you?
——H7N9 is coming now. I have to see the doctor.
| A．wrong . | B．worry | C．illness | D．pain |
The boys and girls follow Yao Ming all the time.
| A．go after | B．go in for | C．look after | D．look for |
The paintings are on show in the history museum.
| A．on time | B．on watch | C．on duty | D．on display |