1年生英語です。How many ~?疑問文。ネタはまだまだありそう。
How many (boys/ girls) students are there in *** -JHS/ this class?
How many legs does a spider have?
How many hands does a clock have?
How many classes do we have today?
How many states in the U.S.?
How many JHS in this city?
How many days in a week? …..etc.