1.They used to go swimmming in the afternoon. (go)

2.He wishes he were a doctor. (be)

3.Is Lan used to writing to Maryam?(write)

4.I would rather you did the test well. (do)

5.It's time we caught the bus. (catch)

6.He used to go to the cinema on the weekends. (go)

7.I wish they were here next time. (be)

8.It's time she left here. (leave)

-Chủng tộc Môn-gô-lô-it : da vàng, mũi tẹt, mắt và tóc đen, tóc thẳng, dáng người thấp bé, phân bố chủ yếu ở châu Á.

It takes for them to clean it together:

    3 hours + 2 hours = 5 hours

=> They clean a house 5 hours

co so chu so la: ( 18 - 10 ) x 2 = 16