Everyone in our class was working hard and doing what we could _______ a good college.
He said to us that he ____the teacher’s instructions.
I hear a number of workers in the factory_____out of work. __Yes, and the number _____quite huge.
More than one child _____to the cave to see the strange animal.
To improve your spoken English, you’d better listen to the tape ______.
A great many new ideas _____at this education conference to improve the students’ study.