—Does your son often have a good time ________ Friday night?
—No. My husband often makes him ________ a lot of homework.
| A．on; does | B．in; do |
| C．on; do | D．in; to do |
Mr. White always expected his son _______________ an active part in the classes.
| A．taking | B．take | C．takes | D．to take |
–_______________ does a CRH train run? –It runs up to more than 300 km an hour.
| A．How long | B．How far | C．How fast | D．How soon |
You shouldn’t keep a pet _______________ you have enough time to care for it.
| A．if | B．unless | C．though | D．when |
___________ the young girl ___________ her parents take regular exercise in order to keep fit.
| A．Not ... but | B．Either ... or | C．Neither ... nor | D．Not only ... but also |
Generally speaking, a computer works _______________ a human brain.
| A．more accurately than | B．more accurate than |
| C．as accurate as | D．so accurately as |