China, a huge dragon in the east, has seen a number of great changes President Xi came into power.
| A．since | B．until | C．before | D．after |
He invited me to a dance after the show____ Christmas Eve.
| A．at | B．on | C．in | D．by |
Most Americans would prefer to keep their problems _____themselves, and solve their problems ______ themselves.
| A．to; by | B．by; to | C．for; to | D．in; on |
I was ___ the point of telephoning him when his letter arrived. 
| A．in | B．to | C．at | D．on |
Everybody was touched____words after they heard her moving story.
| A．beyond | B．without | C．of | D．in |
Four Chinese models were ______ the 14 people awarded prizes on Friday at the World Supermodel Competition.
| A．among | B．between | C．along | D．beside |