John， don't throw the rubbish on the floor． We should keep the school ．
Oh， sorry． I won't do it again．（ ）
| A． |
busy |
B． |
noisy |
C． |
dirty |
D． |
clean |
There is _____ book in my backpack．______ book is very heavy．（ ）
A．a； TheB．a； AC．the； AD．the； The
﹣﹣﹣ Could you tell me ________？
﹣﹣﹣ Throwing off poverty（脱贫）．（ ）
A．who people often talk about this year
B．what people often talk about this year
C．which do people often talk about this year
Du Fu is a great Chinese poet ________ has become popular with many people around the world．（ ）
A．whichB．whomC．who
﹣﹣﹣ Is this book Linda's？
﹣﹣﹣ It ________ be hers． Sandy's name is on the cover．（ ）
A．can'tB．mustn'tC．needn't
﹣﹣﹣ Your hometown is famous for tea， right？
﹣﹣﹣ Yes． Now tea plants ________ on most mountains here．（ ）
A．will growB．are grownC．were grown