I have finished a large part of the book; the rest ______ more difficult.
| A．were | B．are | C．was | D．is |
In my opinion, ___ matters is not one’s looks, but one’s inner thoughts.
| A．that | B．it | C．what | D．this |
_____ computers are convenient to us in daily life, it may also cause other problems.
| A．Whether | B．Because | C．As | D．While |
So involved with computers ____ that the leaders at the summer computer camps often had to force them to break for sports.
| A．has the children become | B．did the children become |
| C．has become the children | D．became the children |
---- If he_____ , he ______ that food.
---- Luckily he was sent to the hospital immediately.
| A．was warned; would not take | B．had been warned; would not have taken |
| C．would be warned; had not taken | D．would have been warned; had not taken |
___ to change her schedule because the plane arrived late, the famous actress cancelled the appointment with the local press.
| A．Forcing | B．Forced | C．To force | D．Being forced |