The number of the students in our school ___ 1,000, and a number of them ___ boys.

I talked with a foreigner for a long time yesterday.—Great! It’s a good _______ to practice English.

(2013·陕西重点中学高三二模)We pursue happiness, thinking one day we will find it. But ________ it by seeking it.

________you I owe a thousand apologieshaving doubted your ability

You need to take your job________if you want to keepit.