—You will fail in the exams ________ you work hard.—I know, Dad. I'll try my best.A. if B. unless C. as long as
The _____you work , the _____grades you will get.
The teacher was very pleased _____ Tony’s answer.
There are some new words on the blackboard. Please _____ in your exercise books.
The English book is easy for Tom because there are _____few new words in it.
He said he agreed ___ me.