My mother often hears me________in my room．
| A．sing |
| B．sang |
| C．to sing |
| D．singing |
Stop ______ about the traffic. Just think about what we can do to improve it.
| A．complain | B．to complain | C．complaining | D．complained |
______ Tony_______ Frank likes the CD. They think the music is too noisy.
A) Neither...nor B) Either...or
C) Both...and D) Not only...but also
With the help of the new technology, you __ e-mail your friends by mobile phone.
| A．can | B．must | C．need | D．should |
Peter will cook for his parents __ the International Day' of Families comes.
| A．unless | B．when | C．until | D．though |
Martin and his friends didn’t eat up all the food they ordered, __ they took the rest away.
| A．for | B．or | C．so | D．as |