优质解答
简单连词：and ,but ,for ,since ,when ,while ,as ,as soon as ,the moment ,directly ,immedirately ,instantly,until,till,.before ,after ,since,ever,once,whenever ,very time,each time,等还复合连词.
简单连词：and ,but ,for ,since ,when ,while ,as ,as soon as ,the moment ,directly ,immedirately ,instantly,until,till,.before ,after ,since,ever,once,whenever ,very time,each time,等还复合连词.