— Food problem is becoming a big one in China!
—I think the food ________ before going to shops or supermarkets.
| A．is checked | B．is checking | C．should be checked | D．should check |
It is her dream in Beijing University.
A. studying B. study C. to study
If you go there, you can see Disney characters around it all the time.
A. to walk B. walking C. walks
—to the USA? — No, never, but I went to Canada last year.
A. Have you been
B. Have you gone
C. Did you go
to the band is a good way to wake up.
A. Listen B. Hearing C. Listening
Have you ever seen him ?
A. ago B. before C. just now