It is more difficult old people learn English.
| A．to ; for | B．to; to |
| C．for; for | D．for; to |
—Have you ___________ been to Beijing?
—Yes. But only once.
| A．never | B．ever | C．yet | D．before |
I think Internet is ___________ than books.
| A．important | B．importanter | C．much important | D．much more important |
Simon’s shirt is the same size ___________ mine.
| A．for | B．as | C．to | D．at |
You ___________ follow the traffic rules. Otherwise, it is dangerous for you.
| A．must | B．can | C．may | D．should |
—___________ do you use the computer?
—Almost every day.
| A．How long | B．How far | C．How often | D．How soon |