However many exercises we have to do ,we can't be ----carefu

However many exercises we have to do ,we can't be ----carefu we have many things have to do,and also have many things can when we do()we can't open our eyes.A.eyes exercises B.eyes e we have ----much to do that we can't arrive on time.Aso Btoo we have to be ___ when we do everything. 用to be,to have,can,do填空 ( )that boy from Shanghai?Yes.We( )g we run to school because we can't be late.对because we can't we could do whatever we like / want to do 和 we can`t do anyt 变为祈使句We can't be late for classI have to wash my ciothes we have to be careful how we do this这句中 how we do this是什么成分? we have a good request we can't fail to obey it we have a go Do we have to wear a uniform?A.Yes,we have.B.No ,we haven't.