His greatest invention is the (5) ______ of gravitation. He died in 1727.

They will send him abroad to study.

=> He _____________________________.

"Please give Tom the card." Mary said to me

=> Mary told me ____________________________.

You will ______ some interesting new things in class next week.

You can ask that plumber for _________ on how to repair the cracks in the water pipes. (advise)

If you stay here longer, you will like the place more.

Tìm và sửa lỗi sai:

Each of the students in the accounting class has to type their own research paper this semester.