You must clean the fish tank twice a week.改为祈使句___the fish t

You must clean the fish tank twice a week.改为祈使句___the fish t They clean the fish tank for ____every week Asometime Bsomet Make sure you must keep the fish tank clean .请问这句话错在哪里? jim,_(clean) the fish tank right You must clean the classroom.(改为祈使句) you should keep the fish tank clean中keep是什么词性? 一定不要让猫靠近鱼缸 You must ____________ the fish tank. 改为祈使句you must water it twice a day the fish tank is about( ) you can't give too much food to the fish.(改为祈使句） ---—— ——— — You will have to buy a tank for the goldfish.__,the fish can you must keep the fish in water.