–I wonder how much you charge for your service.
--The first two are free____ the third costs $30.
A. before B. as C. when D. while
-What’s wrong with him?
--The picture he came across____ his memory of a sad story in his childhood.
A. set off B. took off C. gave off D. put off
You have nothing to___ by refusing to listen to our advice.
A. catch B. earn C. gain D. grasp
–The weather is getting warmer. I hope the children won’t go onto the ice.
--I warned them_____.
A. not to B. not C. won’t D. not go
–Are you still very busy?
-- Yes, I_____the report for the manager and it won’t take long.
A. have just finished B. had just finished
C. am just finishing D. am just going to finish
In the forest____, who made no contact with the outside world.
A. living a couple B. were a couple living
C. did a couple live D. lived a couple
