Have you ever ______Lintong to see the Terra Cotta Warriors? —-Yes, I have

下列各句中，没有语病的一项是（ ）

Not only the young but also the old are getting interested _______Wechat.—They can communicate more freely.

—Are you sure you can pass the drving test tomorrow.—______. I can manage it very easily.

Boys and girls ,take your pen ______ your desk , please.