Chinese clay art is famous because the clay pieces are so small but they look very （真实的）
﹣﹣﹣What do you think of the environment in your hometown？
﹣﹣﹣It's Both the air and the water are badly polluted．（ ）
A．not bad
B．as good as before
C．much better than before
D．not as good as before
I want to learn a second foreign language English．（ ）
A．exceptB．besideC．besidesD．except for
National Day celebrations for China's seventieth birthday in about three months．（ ）
A．will be heldB．will hold
C．is heldD．was held
of the students in our class_____going to the summer camp in Beijing next week．（ ）
A．Two fifths，isB．Second fifths， are
C．Second fifths， isD．Two fifths， are
﹣﹣﹣Listen! Is that Linda playing the piano in the room？
﹣﹣﹣No． It be Linda， she has gone to London．（ ）
A．may notB．needn'tC．can'tD．mustn't