___________I am in trouble, my classmates will help me out.A. Before B. Whenever C. Although
________ should find a job to make money.
The food smelt terrible but Tom _______ taste it.
It _______ that they will have the final exam next week.
There are two cars in front of the building. One is red and ________ is black.
If more trees ________ , our city will be more and more beautiful.