The letter is from my sister, ______is working in Beijing.

ore question, Sir—-Wait a minute. I ____ your questionsfor more than 30 minutes without a break. Where is my cup

The old lady is said to have three children，two of ____studying abroad.

Cocaine’s being often used as painkillers can give rise to the________belief that it is not an addictive drug.[ ]

This is her telephone number. You can __________ her.