3. She is good      meteorology .
A. at B. in C. on D. for
4. The babies      when Alice came.
A. were sleeping B. have slept C. is sleeping D. has slept
5.       , dancing and painting are examples of non-verbal communication.
A. smiling B. chatting C. singing D. emailing
6. Nam: I managed to pass the test!
Mai: ____________________
A.Thats a relief!    B. Oh no !    C. Thats awful !    D. Thats shocking !