You must have sent her off at the airport yesterday, ____ ?

Have dinner with us, ______?

The fact that something is cheap doesn't ______ mean it is of low quality.

I am worried about my brother. I am not sure ___ he has arrived at the school or not.

Nowadays more and more students seem_____ to help their classmates who have difficulties in studies.

He clearly remembers _____ by the window watching people outside rushing to their office.

The best title for this passage can be ______.

The old man______ since he came into the hospital.

There are two major problems linked with atomic power plants, ____ one is related to nuclear waste.

Which of the following is not mentioned as a sign that your job is doing harm to your health?

I do not have my own room, ___．

I heard the news ______ our team had won.