1.     It started to snow at 5 o’clock.

 It has snowed since 5 o’clock.…………………………………………..

2.     When did you go to bed last night?

 What time did you go to bed last night………………………………………..?

3.     This house is less comfortable than the one we saw last month.

This house is not as comfortable as the one we saw last month.…………………………………………………………………...

4.     Sue began to be interested in healthy eating 3 years ago.

 Sue has been  interested in healthy for 3 years ……………………………………………………………………….

5.     What time does Paul have to leave ?

 Do you know what time Paul has to leave……………………………………………………………….

6.     This book is very boring, and so is that one.

 This book is as boring as that one ………………………………………………………………….

7.     Will it be necessary for me to sleep under a mosquito net?

 Shall I have to sleep under a mosquito net …………………………………………………………………….?

8.     I last read a book on September 20.

 I haven’t read a book since September 20.

xin lỗi bạn mình trả lời sai

1, ...do you go...

2, watches

3, goes

6 tờ bạc 2000 đ và 3 tờ 5000đ

a. Quang đường dài 120km.

b. Vận tốc 24km/h

Công suất bức xạ của mặt trời là 3 , 9 . 10 26 . Năng lượng của Mặt trời tỏa ra trong một ngày là:

A. 3 , 3696 . 10 30 J

B. 3 , 3696 . 10 29 J

C. 3 , 3696 . 10 32 J

D. 3 , 3696 . 10 31 J