The sign "No Littering" shows that we ________ throw rubbish in the park. （ ）
| A． |
needn't |
B． |
won't |
C． |
mustn't |
D． |
may not |
﹣Are you sure you can pass the exam？
____I've got everything ready．（ ）
A．No，'rm afraid notB．Yes，I think so．
C．It's hard to say．
The summer vacation is coming soon，and we'll have a____holiday．（ ）
A．two﹣monthB．two months
C．two months'
﹣Excuse me．____
is it from here to the railway station？
﹣1t's about two kilometers away from here，（ ）
A．How soonB．How longC．How far
﹣How do you like TFBOYS'songs？
﹣They____active．（ ）
A．smellB．soundC．look
﹣Hi，Tony．Who taught you to swim？
____I learnt it by myself．（ ）
A．SomebodyB．NobodyC．Anybody