27.下列不是超美铁岩的是……………………（ ）

wWhile building tunnel through the mountins, ______.n underground lke ws discovered B．there wsn underground lke discovered C． lke ws discovered underground D．the workers discoveredn underground lkeA．an underground lake was discoveredB．there was an underground lake discoveredC．a lake was discovered undergrounD．the workers discovered an underground lake

―Wht cn I do for you ―__________.I’m looking for tie for my fther B．Yes, you cn give tie to me C．No, I cn do it myself D．I cn do wht I wntA．I’m looking for a tie for my fatherB．Yes, you can give a tie to meC．No, I can do it myselfD．I can do what I want