His first lecture is of great use to our development．But his latest one is ________ worth attending．

A．better

B．more

C．very

D．much

As the quality of the city's air continues to give rise to ________, the residents are encouraged to set off fewer fireworks．

A．descriptions

B．compromise

C．concerns

D．emergency

Awarded ________ 2012 Nobel Prize in Literature, Mo Yan, ________ productive contemporary Chinese writer，has published dozens of short stories related to the countryside．

A．a; a

B．the; a

C．不填; a

D．a; the

________ cars when crossing the road．

A．Look out

B．Look out of

C．Watch out

D．Watch out for

He couldn't help ________ the house, because he was busy cleaning the car．

A．cleaning

B．to clean

C．cleaned

D．being cleaning

The poem is hard to understand．Can you ________ it?

A．make sense

B．make idea

C．make idea of

D．make sense of

The medical team ________ of 5 doctors and 9 nurses．

A．consists

B．is consisted

C．formed

D．make up

________ knows the truth about it will tell you．

A．Who that

B．That

C．Whoever

D．That who

Students must have access ________ a good library．

A．to

B．in

C．or

D．with

________ certain that his invertion will lead to the development of production．

A．That's

B．This is

C．It's

D．What's