—Come on, Kitty.

—Oh, good heavens! Both my legs are nearly to give out.I ____ for hours like a dog.

A．have been walking　　　　　　　 B．had walked

C．was walking　　　　　　　　　　 D．walked

___________ a fine day, Shenzhou VI will be launched on time according to its planned time.

A. Being   　　 B. It being  　　　　C. To be  　　　D. It is

Many young people in the West are expected to leave __    could be life' s most important decision -- marriage -- almost entirely up to luck.
A. as                 B. that             C. which        D. what

If the train leaves at half past ten, there _____ no time to lose.（ ）

A. would　　　 B. is　　　 C. will　　　　 D. has

The book is not easy. On the ________（相反）, it’s rather difficult.

He told us whether _________ a picnic was still under discussion

A. to have　　 B. having　 C. have　 D. had

-We've decided to go surfing this Sunday. Would you like to join us?

-__________. I've always been fond of water sports.

A. I am not sure 　　　　　　　　　　 B. I'd love to

C. I don't think so 　　　　　　　　　　 D. I don't agree with you

-----Did you go to the show last night?

----- Yes. Every boy and girl in the area ______ invited.

A.were　　　　 B. have been　　 C. has been　　 D. was

________that we should look after the three dogs three times，my mother left home.

A．Mentioning 　　 B．Having been mentioned

C．Having mentioned D．Mentioned

My brother regretted __________ a lecture given by Professor Liu.

　 A. missing　　 B. to miss　　　 C. missed　　 D. being missed