QQ,________you can chat with your friends, makes communication easy.
| A．why | B．which | C．that | D．where |
In order to protect the environment, supermarkets and stores are forbidden to ______ free plastic bags to shoppers..
A. put away B put off C. give off D. give away
Believing that everyone can make _____ world _____ better place on a daily basis, Tom plays his part in helping others.
| A．/, a | B．the, / | C．the, a | D．the, the |
---- What do you think made Mary so upset ?
---- __________.
| A．As she lost | B．Lost | C．Losing | D．Because of losing |
Television has many advantages. It keeps us __________ of the __________ news and also provides entertainment in the house .
| A．informed, latest | B．to know, later | C．learning, later | D．to inform , latest |
----I _________ the book for a whole hour .
---- No wonder you look so tired .
| A．have read | B．have been reading | C．read | D．are reading |