Fully ______in preparing teaching assignment at school，she no longer has much time to enjoy the various activities as usual.
| A．occupy | B．occupying |
| C．occupied | D．to occupy |
I’d appreciate if you could turn the radio down. I’m doing my homework.
| A．you | B．that | C．this | D．it |
After the new method was used，the factory made ___ suits in 2007 as the year before.
| A．as twice many | B．as many twice |
| C．twice as many | D．twice many as |
Tom knows little Japanese，so he can’t understand the _____on the bottle of the pills.
| A．explanations | B．instructions |
| C．descriptions | D．regulations |
—Sorry，do you mind if I smoke here?
—Yes，________.
| A．you could | B．go ahead |
| C．I do | D．my pleasure |
Nowadays, ___motorcycle has become ___important means of transport in many cities.
| A．a; the | B．\; an | C．the; an | D．\: the |