_______matters most in learning English is enough practice.
| A．What | B．Why | C．It | D．That |
The house is dirty because it since they moved out.
| A．doesn’t clean | B．isn’t cleaned |
| C．hasn’t cleaned | D．hasn’t been cleaned |
—Hurry up! Can’t you drive faster ，Jack?
——No. If I got _____speeding ticket ，my dad would take away my car.
| A．other | B．the other |
| C．each other | D．another |
The Boston Marathon bombings killed 3 people ,including a Chinese citizen_ Shenyang.
| A．in | B．from | C．across | D．to |
一I really thought I'd pass the driving test．
—Oh，well， , Bill．
| A．you are wrong | B．I agree with you |
| C．best wishes | D．better luck next time |
Anyone in the lab has to the following dos and don’ts.
| A．observe | B．consult |
| C．recognize | D．direct |