________ my teacher couldn’t understand was ________ fewer and fewer middle school students showed interest in her lessons

Whose cap is that– It’s .

The town official broke ________ for working over time in the search for the trapped people after the earthquake

Listen! David is talkinghappily with his mother in the next room.　— It ______ be his mother. She has gone to Yunnan to be avolunteer doctor.

Turn right into Zhongshan Road, and it’s _____ the left.