--must i feed the goldfish every day?--no,you___,but you___change the water very oftenAmustn't,need Bmustn't ,need to Cneedn't,ought Ddon't have to,need to

I must go to the baker’s 1.you your breakfast?Yes,I it at school.A.Did; have; had B.Have; had; had C.Have had D.Did; have; have had2.Mom,I must to go school at once.By the way,I the cat.A..have fed B.fed C.will feed D.am feeding3.I have watered plants but I haven’t fed the but i must go i must go 是什么意思? thanks I must go I must go I must go I must go to the chemist's for some medicine. I must go to the grocer's.改为间接引语. I must go the other day 的歌词是马修连恩唱的 must i go to the doctor's?No yuoneedn't ,mustn't ,can't ,must feed the I must go no now, I didn't hear the phone,I___out,A .must be B,must have gone C.must go the show must go on feed,I,the,birds,animals,the,and.连词成句 can you show me ___(how can i feed/how to feed )the dog can you show me ___(how can i feed/how to feed )the dog why?