III . A friend of yours is planning to go travelling onhis next vacation . Ask him / her about his / her plans . Use the words in brackets to make your questions .

1 . ( Where / travel ) ............................................................................................................................................................?

2 . ( How long / stay ) ..........................................................................................................................................................?

3. ( go / alone ) ...................................................................................................................................................................?

4 . ( go / by train ) ..............................................................................................................................................................?

5 . ( Where / stay ).................................................................................................................................................................?

6 . ( What / do ) ................................................................................................................................................................?

II . Make questions for the underlined words

1 . .........................................................................................................................................................................?

- Mike is going to stay in Berlin for 4 days

2 . ..........................................................................................................................................................................?

- My bike has a flat tire . My dad is going to fix it for me .

3 . ...........................................................................................................................................................................?

- Bob will give me a lift to the airport .

4 ................................................................................................................................................................................?

- Clare will be Five years old next month

5...............................................................................................................................................................................?

- Lana is going to go swimming this friday morning

6...............................................................................................................................................................................?

- No , it won't be easy to earn that huge amount of money in 5 days

I . Complete the sentences with present continuous . Then rewrite the sentences with " be going to "

0. What ( you/do) are you doing this Sunday evening ?

- What are you doing to do this Sunday morning ?

1. Ben ( meet) ..............................................................Ann on monday morning.

-..............................................................................................................................

2 . Where ( your family/ travel)......................................................... this summer vacation ?

-................................................................................................................................................

3 . Linda ( have lunch ) ....................................................... with her mother on Monday

-.............................................................................................................................................

4. She ( visit)...............................................................her grandparents this weekend .

-..............................................................................................................................................

Rút gọn biểu thức sau:  ( x 2 + 1 ) ( x − 3 ) − ( x − 3 ) ( x 2 − 1 )

Đơn thức 9 x 2 y 3 z  chia hết cho đơn thức nào sau đây:

A.  3 x 3 y z

B.  4 x y 2 z 2

C.  - 5 x y 2

D.  3 x y z 2