If the manager had to choose between the two, he would say John was _____choice.
It is only when you get close to the National Entrance Exam _______fully realize how much time you have wasted.
Chang’e Satellite is named after a famous Chinese fairy , who is said ______to the moon.
The article suggests that when a person _______ under unusual stress he should be especially careful to have a well-balanced diet.
A group of young Americans have come to Beijing for a visit. Half of them, ___is, 50 persons, can speak Chinese fluently.
Without proper lessons, you could _______ a lot of bad habits when playing the piano.