In my opinion, it is not economical ....................... your money on cheap, poor-quality products.

The students seem… ................. this course. They always participate actively.

Which one of the underlined words or phrases is INCORRECT? The lost watch was finded in the last place you would think o…

The chemistry teacher has worked here ...... the beginning of the year.

The boys’ mother told them to finish all of their breakfast, .................. they stuffed their mouths until th…

When I came to campus this morning, I saw that the old university building .......... into a sports club.