It is not polite to those persons in trouble.
A. laugh to B. laugh with C. laugh of D. laugh at
I’ll ring you up as soon as he .
A. arrive B. arrives C. will arrive D. arrived
---A: How much time did you _____working out the plan? ---B: Two weeks.
A. spend B. cost C. pay D. take
How long the film ?
A. did ; begin B. has ; begun C. has ; been on D. has ; been
He must be in the room, because the light in the room is .
A. in B. on C. off D. open
I got A this week.
A. a B. the C. an D. ×
