He suddenly appeared in class one day, _____ (wear) sun glasses.
“In the beginning, there was only a very small amount of unfairness in the world, but everyone added a little ,always （think）that it was only small and not very important ,and look where we have ended up today.”
We got a little_____（sunburn），but the day had been so relaxing that we didn’t mind.
The financial damage is nothing compared to what _______ if there had been children in the classroom in time of the fire.
A. would happen B. happened
C. would have happened D. should have happened
Mary doesn't want to move to Beijing because if she________ _there, she wouldn't be able to see her husband often.
A. would live B. were to live
C. has lived D. lives
The biggest problem for most plants, which ________just get up and run away when threatened, is that animals like to eat them.
A. shall not B. can't
C. needn't D. mustn't
