---________ have you played the piano? ---For four years. A How often B How long C How much D How many
—May I smoke here? —________, you ________. It can be dangerous.
Let the children go away. They’re making too much ________ here.
—May I borrow these books? —Certainly. You can borrow ________ of the two books, but you can’t borrow ________.
The classroom is ________ for fifty students.
Shall we have some noodles ________ dumplings?