A lion at _______ is really a great threat to the citizens.
| A．park | B．cage | C．zoo | D．large |
You ______ be hungry already — you had lunch only two hours ago!
| A．wouldn’t | B．can’t | C．mustn’t | D．needn’t |
The dictionary still ______ where I ______ it last Sunday.
| A．lied; lied | B．lied; lay | C．lays; lay | D．lies; laid |
Teenagers ______ their health because they play computer games too much.
| A．have damaged | B．are damaging | C．damaged | D．will damage |
The World War II made ______ impossible for Einstein to go on with his research.
| A．him | B．this | C．it | D．that |
It’s not ______ good idea to drive for four hours without ______ break.
| A．a; a | B．the; a | C．the; the | D．a; the |