The Australian boy has a good ______of Chinese and can communicate with others freely.

. With two months _______,we’ll have to say good-bye for our school life will be ending.

I’m really ______ before the exam. — Take it easy. Surely youare the best.

Don’t make the students _______ this or that . Theyare busy.

What a journey! We’ve finally arrived!––_____ an out-of-date train schedule, we would not have missed the train.