I'll spend as much time as I can ______ in an old people's home.
A. help B. to help C. helping
_______ they were quite tired, _______ they continued working.
A. Though, / B. Although, but C. Because, so
We had_______awful weather_______ we couldn't finish the work on time
A. so, that B. such, that C. such an, that
Don't come into the office_______you are allowed
A. if B. when C. until
一_______do you eat fast food?
- Twice a week.
A. How long B. How soon C. How often
- I have so many after-school classes that I don't have enough time to rest.
- Why don't you ______to your parents?
A. talking B. to talk C. talk
