`Summary:`

1. Earthquakes, floods, and hurricanes.  

2. Stay inside and take cover under a sturdy table or desk.  

3. Avoid driving through flooded streets.  

`Summary:`
Online learning is very convenient to study because it has many advantages. ...

Summary:

Exercise 1.

3. C

4. C

5. B

6. C

7. A

8. A

9. A

`Summary`:

`A`. watch TV: xem phim

`B`. collect bottles: nhặt chai nhựa

`C`. take photos: chụp ảnh

`D`. 

`Summary`:

`1`. Is there

`2`. Is there

`3`. Is there

`4`. Is there

`5`. Is there

`6`. Is there

`7`. Are there

`8`. Are there

`9`. Are ...

`Summary`:

`1`. wasn't

`2`. would drop

`3`. `text{vô lí}` 

`4`. don't go 

`5`. knew

`6`. will pass

`7`. will go

______ ...

`Summary`:

`1`. `M`ary's lessons start at seven thirty. 

`+` Dẫn chứng: Câu số `4` `~` I have lessons from seven thirty to eleven.

`Summary`:

`2`. didn't have

`3`. Did / have

`4`. had

`5`. was

`6`. Were

`7`. weren't

`8`. had

`9`. Did

`10`. wasn't

___________ ...

`Summary`:

`-text{Dựa theo ý kiến và quan điểm cá nhân.}`

`II`.

`1`. List:

`-` Nhat Le bridge.

`-` Long Dai bridge.

`-` London b ...

`Summary`:

`I`.

`1`. `T` is reading a great book now.

`2`. `L`an isn't washing her hair at present.

`3`. They are watching the TV right now.

`4`. The baby is cryi ...