Dogs have a very good ______ of smell and are often used to search for survivors in the earthquake.

The young actress looked so charming in her beautiful dress that we took ________ pictures with her.

We have been told that under no circumstances _______ the telephone in the office for personal affairs. [ ]

Look! Your teacher Miss White is over there.-No, it can’t be her. She ______ to Beijing.

Excuse me, Anna. May I use your ruler —Of course. ________.