When it comes to____his classmates with the homework, he never feels tired.

________ from the top, the city looks more beautiful.

One learns a language by making mistakes and________ them.

Technology is developing so rapidly that   for only a year , my cellphone is out-of-date .

First he made a list of the names of those   .Then he began to write the invitation cards .

Can you tell me ______to the station?

That student admitted ____ in the math exam, _____ that he would never do that again in the future.

If ____ unsolved, the problem of food safety may lead to more serious results.

–Do you have anything _________ for the weekend?
–Yes. Go fishing with my son.

In the corner of the room, we found the little boy ________ on the ground with both hands ______ up with a rope.