---May I go out to play with my friends now, Dad?---No. You ______ let your mother know first.A. may B. need C. must
The food __________ good and _________ well.
It was ________ who respected their teachers.
_______ is the population of the city?
There are many trees on ________ side of the street.
– When shall we meet again next week? -- _______ day is possible. It’s no problem with me.