If we don't put an _____ in a microwave,we mustn't use it.A.
If we don't put an _____ in a microwave,we mustn't use it.A.
If we don't know the meanming of a new word,we can use a ( )
We don't know _____.-It is said that he was born in Canada.A
We don,t call it,a rudder in English是什么意思
If we don't use it,we'll lose it这句是什么意思呢``
you________ do it even if don't want to A.can't B.mustn't C.
We mustn't buy things we____ A.needn't B.need not C.don't ne
1)we want to have a picnic tomorrow,but we don't know if it
We don't have to ___ the electricity we don't use.A afford B
we are not allowed to touch it,we touch it A mustn't Bmustn'
We couldn't use the milk because it _____ had.A.has been B.h
同义句转换If you don't help us,we aren't able to finish it in an