tensn

crystal：
1) Look ! the boys (are fighting) with each other again.
2) Dogs often (bark) at strangers.(原句沒錯)
3) The policemen (are) now chasing the robbers.
4) Hush ! your father (is talking) on the phone at present.
5) All right ! I (believe) you now.
6) Now we (are trying) to cross the river.
7) The police (are questioning) the robbers now.(原句沒錯)
8) My uncle is now (writing) a book.
9) Everybody (has) a chance to play the game.
10) Judy (is learning) French at the moment.
11) Do not (smoke) in this restaurant.
12) When it rains, we often take a taxi to school.(原句沒錯)
13) How much (does) this birthday cake cost ?
14) The north wind (blows) strongly in winter.
15) She always (comes) to see us on Sunday.
16) Tom is busy. He is (trying) to solve the puzzle.
17) Do (be) careful next time if you want to get high marks.

Look! The boys are fighting with each other again( )
Dogs often barks at strangers( )
The policemen are chasing the robbers( )
Hush! Your father is talking on the phone at present ( )
All right! I am believing you now( )
Now we are trying to cross the river( )
The police is questioning the robbers now( )
My uncle is writing a new book( )
Everybody have a chance to play the game( )
Judy learns french at the moment( )
Do not smoke in this restaurant( )
When it rains , we often took a taxi to school( )
How much does this birthday cake cost( )
The north wind blows strongly in winter( )
She always comes to see uson Sunday ( )
Tom is busy. He is trying to solve the puzzle( )
Do careful next time if you want to get high marks( )

唔知arm唔arm, hope I can help you la!^^