=> 3 < 3^x < 3⁵
=> 1 < x < 5
=> x ∈ {2 ; 3 ; 4}

D

came - were taking - was

1. interesting
2. interested
3. amusing
4. shocked
5. worried
6. suprising
7. bored
8. frightened

If I had a spare ticket, I would take you to the concert.

Câu đơn: Nhà tôi có hai chị em.
- Chủ ngữ: Nhà tôi
- Vị ngữ: có hai chị em.

Câu ghép: Hôm nay tôi đi học nhưng em tôi được nghỉ.
- Chủ ngữ 1: tôi
- Vị ngữ 1: đi học 
- Quan hệ từ: nhưng
- Chủ ngữ 2: em tôi
- Vị ngữ 2: được nghỉ
Trạng ngữ: hôm nay

6% của 350 là: 350 : 100 x 6 = 21

1.         My friend  _________________________watch videos very often.

A.        isn’t                             B. doesn’t                   C. don’t                       D. wasn’t

2.         My father and some of his friends ___________________ play football every Saturday.

A.        aren’t                           B. weren’t                   C. wasn’t                     D. don’t

3.         When I did the dishes, I ___________________ a glass.

A.        break                           B. broke                      C. was broke               D. breaked

4.         Susan and Tim usually ______________________ to the disco at weekends now.

A.        go                    B. goes                                    C. went                       D. is go

5.         Last night the train ____________________________ arrive on time.

A.        doesn’t                        B. wasn’t                     C. didn’t                                 D. weren’t 

6.         ______________________ a nice holiday in London last week?

A.        Do you have    B. Were you have       C. Did you have          D. Are you have

7.         Diane _____________________ her grandmother every Sunday in the past.

A.        visit                 B. is visit                     C. visits                       D. visited

8.         Vegetarians _______________________ any meat.

A.        doesn’t eat                  B. don’t eat                 C. aren’t eat                D. didn’t eat

9.         Anne ________________________secondary school last year.

A.        leave                            B. leaves                      C. left                          D. was left

\(1235+99\)
\(=1235+100-1\)
\(=1334\)