The gravity on the earth is much ______ that on the moon, do you know why?
| A．as strong as | B．strong than | C．so strong than | D．stronger than |
I often have conversations with John over ______ telephone, whileI keep in touch with Tom by ______ letter.
| A．/;the | B．/;a | C．the; / | D．the; a |
Time is limited and let's come______ to the point.
| A．straight | B．strangely | C．immediately | D．clearly |
Can you imagine the trouble that they had ___ the orphan in the terrible years?
| A．bring up | B．to bring up | C．bringing up | D．brought up |
It is the second time that I____ in Beijing
| A．am | B．was | C．have been | D．had been |
the deadline approaching, we found ourselves a loss about what to do.
| A．With; at | B．As; about | C．As; for | D．With; by |