—Mike , is that new bike  ________ ?—Yes. My mother bought it for me yesterday.

I think _________ necessary for students to take an interest in all subjects.

–I like English best. What about _______?–He thinks science is very interesting. His favorite subject is science.

I find __________ very difficult to learn English well .

The girl can’t hear anything. We can say she is ________or there is _______with his ears.