Li Lei with his classmates often____ to the zoo to see animals.
| A．go | B．going |
| C．goes | D．to go |
—How do you like Beijing, Miss Read?
—I’ve no idea. I _____ there.
| A．have been | B．haven’t been to |
| C．haven’t been | D．have been to |
—Where are Maria and Kangkang?
—They _____ England.
| A．have been to | B．are away | C．have gone to | D．had been in |
—Have you found your lost book_____?
—No, I haven’t.
| A．already | B．yet | C．still | D．once |
The _____ population has caused many serious problems.
| A．increase | B．increased | C．increasing | D．increases |
— What did he say just now?
— He asked me ________.
A. when my sister came back
B. when did my sister come back
C. When my sister will come back