With the help of the new technology, you __ e-mail your friends by mobile phone.
| A．can | B．must | C．need | D．should |
_____ lovely dog!
A. How B. What a C. What
-----What’s your hobby?
-----I _______ listen to music, but now I enjoy dancing.
A. am used to B. used to C. am used
----_______ do you brush your teeth?
----- Twice a day.
A .How much B. How often C. How long
I _____ ask my father to give up smoking. It’s bad for his lungs.
A. must B. needC. shouldn’t
It’s cold outside, you’d better not _____ out.
A. to goB. go C. going