--- Jack fell off the ladder yesterday，but he is all right now.
---What a lucky dog! He ________himself badly.
A. should injure B. might injure C. should have injured D. could have injured
It was from only a few supplies that she had bought in the village _____the hostess cooked such a nice dinner.
A. where B. that C. when D. which
Drinking water , having a healthy snack and taking exercise are all positive ways to ____you when you are working on a tight schedule.
A. relieve B. refresh C. liberate D. comfort
We should consider the students’ request ______the school library provide more books on popular science.
A. that 
B. when C. which D. where
He didn’t put the things ____they belonged, for ____he got his punishment.
A. which; that B. what; this C. that; whose D. where; which
____cleaning the yard and making up the beds for the old, we also read newspapers for them and had chats with them.
A. Except for B. Rather than C. Apart from D. Instead of
