Mr. Hill has been working in the library ...... six hours without taking a break.

The teacher was in a bad mood and spoke to everyone …………………

The students ...... a new way to process water for six months now.

Choose the CORRECT ORDER to make the following sentence into a paragraph: (1)Then, pour it into a cup with a teabag and …

Ben: Have you ever gone swimming in a river? Bob: No, I haven't. I've ...... tried that.

Kate was almost finished with the exam when the teacher………that time was up.