The young girl sitting next to me on the plane was very nervous.She ______before.

The witnesses(证人) of the accident said that the lorry _______ very fast at the crossroads when the accident happened.

The fields where crops used to be grown ________ for building now.

.If you ___ it, I will lend the novel to you.

In the past ten years, the ____mountain climber ____ a lot from his own adventurous _______