—Excuse me, may I speak to Linda?— _____ A. Who are you? B. Is that Linda? C. This is Linda speaking.
Students ___ slippers when they are at school.
He used ___ on the right in China, but soon got used ___ on the left in England.
___ too much is bad for your health.
We find ___difficult to finish the work on time. We only have two days left.
It’s not easy ___ me to talk with the foreigners in English.