you had better finish _______ your homework.
A. do B. doing C. to do
What about ________ a cup of tea?
A. have B. having C. to have
He is busy practicing ___________English.
A. speaking B. to speak C. speak
You had better _______ your homework carefully.
A. going B. to do C. do
Let me___________. Don’t make me ____________.
A. go .... cry B. go... to cry C. going ... crying