We are glad_____that traditional Chinese medicine can work wonders in preventing some diseases．（ ）
A．knowB．to knowC．knowing
It takes us less time to go to Beijing because the of trains has increased a lot．（ ）
A．priceB．speedC．spaceD．service
Zhi Yueying ， unusual teacher， has taught in a village school for 37years．（ ）
A．/B．aC．anD．the
I haven't seen the film When We Are Seventeen．
________Shall we go and see it this weekend？（ ）
A．Yes， pleaseB．No， thanks
C．Me， tooD．Me， neither
I wonder ________________．（ ）
A．if the program Readers is popular
B．how does the program Readers succeed
C．when did the program Readers begin
D．whether is he program Readers popular
________a good virtue （德行） to be kind and honest to others．（ ）
A．This isB．It isC．It hasD．There is