_____ number of the students is 4，0000  , much more than last year.

— Will you go there by _____ train?    —No, I’ll take _____ taxi.

This program _______in 1980, and so far __________thousands of oversees  Chinese students to China to look for their roots 

─          did you play the piano today?    ─ For five hours.

—_____is it from the village to your farm?— About 10 minutes’ walk.