―____ go out for a picnic with us this afternoon?―I’d like to, but I’ll be busy preparing for the test.
The teacher entered the classroom, _____.
Let’s have another look, ___?
I __ brushing my teeth twice a day.
Dr, Robert Bell went to New York , bought some books ___ his daughter. A. visiting B. to visit C. and visited D, visited
His cousin will stay in Beijing till his aunt ___ well.