1. It is staying up late last night that ____ this coming late to school this morning.
A. devotes to B. sticks to
C. refers to D. leads to
2. They decided to ____ their camp near the river and fix ____ a sheet by tying to a branch.
A. make; up B. make; on
C. set; up D. sat; on
3. If Tim carries on working like that, he'll ____ sooner or later.
A. turn away B. die out
C. give out D. tear down
