life in the country is quiet and there is no ............traffic

A a lot of B light C many D heavy

of all the students inmy class, Mai studies the.............

A more hard B more hardly C harder D hardest

điền một giới từ thích hợp

1 some people gathered outside the house and watched TV....through.........the window

2 I was....at..........the seaside......on...........my summer vacation

3 The street is full of traffic......from...........morning.........at.........night

4 Very few Vietnamese people had TV sets.........in.............the 1960s

5 We should wash your hands.......before...........meals

6 There is a good film......on.............at the Young Theatre tonight

7 Don't forget to brush your teeth......after..............every meals

8 The new teacher is standing........between..............his two students

Ta thấy: d₁ và d₂ vuông góc với nhau.

450 số ai tích tôi đi mà

1.He often (go)………goes………………. to school by bus .

2.Now They (watch)……are watching……………………TV in their living room.

3.John can (speak)……speak…………………..Vietnamese.

4.We (stay)……are going to stay………………….with our grandparents inDa Nang next summer vacation.

5 .How often does she (read) read books ?.

Who are they ? they're engineer \(\rightarrow\) engineers .

a) Khi cắt 1 mảnh giấy thành 4 mảnh nhỏ thì số mảnh đã tăng thêm 3. Cắt nhiều lần như thế thì số mảnh tăng thêm 3 k ( k là số mảnh giấy đem đi cắt nhé ). Ban đầu chỉ có 1 mảnh. Vậy tổng số các mảnh giấy sẽ là 3k + 1. Số này chia cho 3 dư 1. Vậy ko thể có tất cả 60 mảnh giấy nhỏ ( vì 60 chia hết cho 3 )

Bài I.9 (Sách bài tập - tập 1 - trang 139)

Cho đoạn thẳng MN = 14 cm, điểm P nằm giữa hai điểm M, N và MP = 4cm, điểm Q nằm giữa hai điểm P, N sao cho MP = QN. Gọi R, S tương ứng là trung điểm của các đoạn thẳng MP, NQ. Khi đó độ dài của đoạn thẳng SR bằng :

(A) 10cm

(B) 4cm

(C) 3cm

(D) 2cm

x,Choose the word (a, b, c, or d) that best fits each of the blank spaces. This composition is about my aunt's (6)_______ in Florida last year. She hired a car at Miami (7)_______, and soon (8)_______ lost. So, she stopped to ask a young man how to get to the hotel. Unfortunately, the young man had a gun; he made my aunt get (9)_______ of the car, and she had to give him all her money. Luckily, a police car drove past a few minutes later and (10)_______ .Then, the police arrested the thief and got my aunt's money back. At the end, my aunt had quite a good holiday, but she said that she was happy to get back home
Câu 6. A. festival B. vacation C. holiday D. A & B
Câu 7. A. airport B. airplane C. airway D. airstrip
Câu 8. A. had B. caught C. took D. got
Câu 9. A. inside B. out C. outside D. in
Câu 10. A. picked her up B. picked up her C. showed around her D. showed her around