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The water in the lakes and rivers in Yunnan became_______ because of the dry weather．

A．fewer and fewer                        B．more and more

C．less and less                             D．little and little

After _______ practice，Lang Lang is a well-known pianist now．

A．so many year                           B．so many years

C．so many year's                        D．so many years'

I _______ some clothes to charity because they were too small for me．

A．gave away                                    B．gave out

C．gave up                                       D．gave in

--_______ you_______ Dianchi Lake these days?

--Yes，I have．The water is getting cleaner and the mountains are more beautiful．

A．Have；gone to                            B．Have；been to

C．Did；go to                             D．Have；been in

Chinese athletes did a great job in the Winter Olympics in Canada．It can encourage post-90s （90后） _______

A．work harder                          B．worked harder

C．working harder                        D．to work harder

--You look a bit green，Ann．What's wrong?

--_______

--I'm sorry to hear that．

A．I'm pleased                             B．I'm happy

C．I feel sick                              D．I'm bored

People in English-speaking countries usually _______ "Take care" to their family members or friends when they leave．

A．say             B．speak               C．tell                D．talk

Necessary action _______ so that students can be safe at schools．

A．can be taken                            B．must be taken

C．may be taken                            D．might be taken

More than 100 workers _______ from the Wangjialing Coal Mine in April this year．

A．is saved                               B．are saved

C．was saved                            D．were saved

We have happiness，_______ still we have trouble sometimes．That is life．

A．so           B．because          C．but          D．and