Câu hỏi:

Find and correct the mistakes

We are looking forward to seeing you on April.

The students __________ for an exam at this time next week.

Find and correct the mistakes

Find and correct the mistakes?

Find and correct the mistakes

We must act now before it is too late doing anything about the problem.

The city/ built/ on/ area/ of/ thirty square kilometers.

___________________________________________________________

Marie Curie, Polish-born French physicist, was famous __________ her work on radioactivity.

What is the most well-known __________ invention in the 19th century?