Tiếng anh

1. Her dream is to become a ballerina and mine is to be a singer.

àHERS

2. Viet Nam has 54 ethnic groups.

à There

Tom: 'i have a terrible headache' Lan:...
A.Maybe i;m not going to the doctor's B.Not very well.thanks C.Maybe you should take a rest D.Not bad.I'm not going to the doctor 
Tom:'this book is wonderful and helpful' Jane:....
A.You can say that again B.yes it is C.don't mention it D.right.you are wellcome
SỬA LỖI SAI
1The letter has just written by one of my closest friends
                                      A     B         C                     D
Mary's mother gare her a newhat at her birthday
   A                             B         C         D                      
1.We ought to start work now
A.It's time we start work now B.it's time we started work now C.it's time we will start work now D.it's time we can start work now
 2.Why isn't she taken to the cinema with them?
A.why don't they taken her to the cinema with them? B why doen't she taken to the cinema with them? C.why doesn't she take them to the cinema? D.why don't they take her to the cinema with them?