I’m not sure whether he has the key that ______ the door of the classroom.
| A．had belonged to | B．belonging to |
| C．belongs to | D．is belonged to |
To our great , his parents were at his mark.
| A．surprise; surprised | B．surprises; surprising |
| C．surprises; surprised | D．surprise; surprising |
Swimmers must be very strong in order to build up speed because of the high resistance(阻力) of the water. Runners, , must struggle against the heavy resistance of the air and ground.
| A．generally | B．similarly | C．naturally | D．probably |
It is reported that people are likely to tell lies over the phone as they are in emails.
| A．as twice | B．twice than | C．twice more | D．twice as |
Some people have concerns over the Disneyland in Shanghai will have a negative effect on the one in Hong Kong, has been criticized for being too small.
| A．that; that | B．which; which | C．whether; which | D．what; which |
It’s a long story and there is not much time left, so I’ll tell you about it .
| A．in detail | B．in brief | C．in general | D．in all |