—Let’s go dancing tonight.!—Sorry, I ________.I have to go to my guitar lesson.A. mustn’t B. needn’t C. can’t
Please ask ___________. He may know which one is __________.
Would you like _____________ to drink?
---_____________ are they? --- They are fine.
This is _____ best kind of _____ pen you can get here.
They would like _____to school by car.A. go B. to go C. going