—Does Lucy make her son _______ the piano in his spare time?—Yes. He _______ play.A.to play, is often heard toB. play, is often heard toC. play, often hears
We are happy_______ you to the party for our friends from Beijing.
After reading for an hour, you'd better_______ the green trees for a minute or two.
Do you need help _______ your Maths homework?
Which floor do you_______ this tall building?
-How many students are there in your school?-There are about eight_______ students.