Sorry，madam.You'd better come tomorrow，because it's ________the visiting time now.
A. during B. at
C. beyond D. before
If you don't buy insurance for your car，you may ______losing everything when it gets destroyed in an accident.
A. delay B. deny
C. avoid D. risk
A large park ________here now.They hope to finish it in three months.
A. is built B. will be built
C. has been built D. is being built
Mothers holding jobs outside the home should have ________schedules to make it easier to care for their children.
A. heavy B. smooth
C. flexible D. complex
The twins were so much alike that we had great trouble ________one from the other.
A. distinguishing B. to distinguish
C. distinguish D. distinguished
Walk faster，________you may catch up with your friends ahead.
A. or B. but
C. and D. yet
