81.in Ha Noi./ one of/ nice lakes/ This is/ many

This is one of many nice lakes in Ha Noi.

82.goes to the cafeteria/ alone/ never/ at lunchtime./ HeHe never goes to the cafeteria alone at lunchtime.

83.Clara leavers the office after finishing all her work.

84.Would she like a cup of iced coffee?

85.When the weather is cold and wet, they move to a cave and make a home there.

86.book and/ listen to/ your/ my questions./ Close

Close your book and listen to my questions.

87.Benny/ getting up/ hates/ too early/ in the morning.

Benny hates getting up too early in the morning.

88.Sometimes I help my dad to tidy up the living room

89.Which fruit would you like, apples or bananas?

90.Australia is far from England, but they speak English.

91.hard/ on the farm?/ work/ they/ Must

Must they work hard on the farm?

92.plan to do/ What/ during/ do you/ the summer vacation?

What do you plan to do during the summer vacation?

93.After the holiday, they will come back home by train.

94.They are happy with their new house.

95.They don't want any help.

96.Are those your letters?

- No, those aren's.

97.the center hospital./ My sister/ as/ works/ in/ a nurse

My sister works as a nurse in the center hospital.

98.by train./ home/ they will/ come back/ After the holiday

After the holiday, they will come back home by train.

99.Collecting Chinese dolls is Mike's interest.

100.She usually comes ( Không điền gì )home at 5 p.m (

Gọi số cần tìm là ab7

Ta có ab7 x 2 + 21 = 7ab

(ab x 10 + 7) x 2 + 21 = 700 + ab

ab x 20 + 14 + 21 - ab = 700

ab x 19 = 700 - 14 - 21

ab x 19 = 665

ab = 35

Vậy số cần tìm 357

2 More than £1,000 were raised for charity.

3 Loads of pictures were taken by the photographers

4 The show was put on the newspaper's front page.

5 All the clothes were designed by school children.

6 the whole evening was organised by the teenagers.

7 The music was written by a 16 year-old boy.

8 The lights were done by a 14 year-old girl

Số thứ nhất: 536

Số thứ hai  : 134

Số thứ ba   :1340

1. ______ ari is one of the many problems we have to solve

A. Pure B. Polluted C. Dust D. Pleasant

2. I'll be in trouble if I ______ my passport.

A. lose B. will lose C. lost D. would lose

3. We can eat at home or, ________ you prefer, we can go to a restaurant.

When he was holding a beautiful vase, he suddenly dropped it.

He was sitting in the garden when a wasp stung him on the one.

 tổng các số từ 1 đến 154 là :

( 154 + 1 ) x 154 : 2 = 11 935

+ mà số chia hết cho 2 có tận cùng là 0,2,4,6,8. số 11 935 có tận cùng là 5 nên không chia hết cho 2 

+ số chia hết cho 5 có tận cùng là 5 và 0 mà số 11 935 có tận cùng là 5 nên số đó chia hết cho 5

vậy tổng các số tự nhiên từ 1 đến 154 không chia hết cho 2 và chia hết cho 5

1.I'd like some chicken.

What would you like?

2.We smell the noodles at a store

Where do you smell the noodle?

3.I feel very tired

How do you feel?

4.My brother wants some orange juice

What does your brother want?

6.It's cool and nice in the fall in my country

How is the fall in your country?

7.Mary's going to play badminton with her sister

Who is Mary going to play badminton with?

8.Mr and Mrs.Smith come from Britain

Where do Mr and Mrs.Smith come from?