The boy didn't come to ________ life and the method to start his breathing ended up as ________ failure.
| A．/；the | B．the；/ | C．a；a | D．/；a |
We can never expect bluer sky unless we create less polluted world.
| A．a; a | B．a; the |
C．the; a | D．the; the |
A good friend of mine from I was born showed up at my home right before I left for Beijing．
| A．how | B．whom | C．when | D．which |
The play next month aims mainly to reflect the local culture．(C)
A．producedB．being produced C．to be produced D．having been produced
Some people who don’t like to talk much are not necessarily shy；they just be quiet people．
| A．must | B．may | C．should | D．would |
I travel to the Binhai New Area by light railway every day, _____ do many businessmen who live in downtown Tianjin.
| A．as | B．which | C．when | D．though |