How time flies！We should show love for our parents and make them ______how much they mean to us．（ ）
A．to knowB．knowingC．knewD．know
﹣I am going to Australia next week．
﹣The radion says there is going to be in Australia．Don't forget to take your warm clothes．（ ）
| A． |
snow |
B． |
snowy |
C． |
snowing |
﹣Hi，Jack!Could you come to our English party？
﹣Sorry，I ．I have to look after my little sister at home．
| A． |
must |
B． |
could |
C． |
can't |
Xi Jinping，our president，paid a visit to Harbin last month．How encouraging!（ ）
| A． |
63 years old |
B． |
63 years'old |
C． |
63﹣year﹣old |
Which of the two T﹣shirts would you like to choose？
Both．Then I can give one to my brother and leave to myself．（ ）
| A． |
another |
B． |
the other |
C． |
other |
As middle school students，we should to protecting our school environment．（ ）
| A． |
make a contribution |
B． |
make a decision |
C． |
make progress |