Doctors are doing research to find out what happens physically when people _________ smoking.
| A．quit | B．decline | C．depart | D．reserve |
—Can you hit that bird with your gun, Tom?
—No！It is out of the ________of my gun.
| A．length | B．aim | C．distance | D．range |
-May I have_____break, mum?
Did you have_____ short one an hour ago?
| A．the; the | B．a;/ | C．the;／ | D．a;a |
The last thirty years _________ the quick development in almost every field in China.
| A．have searched | B．have released | C．have seen | D．have determined |
The old woman is sitting_____________ her daughter.
| A．near to | B．next | C．next to | D．next by |
My uncle___________ until he was forty-five.
| A．married | B．didn’t marry |
| C．was not marrying | D．would marry |