To invent a new kind of electric light, Thomas Edison did lots of ____.
| A．research | B．inventions | C．experiments | D．experiences |
I think we ought not to spit anywhere ______.
A. in public
B. in need
C. in detail
It costs much money to ______ the garbage.
A. turn off
B. belong to
C. deal with
—It’s said that the price of salt is rising.
—Yes._______, many people have bought too much salt .
A. For example
B. As a result
C. On earth
—____, do you know the young man?
—____, I don`t know him.
| A．Excuse me ; Excuse me | B．Excuse me ; Sorry |
| C．Sorry ; Excuse me | D．Sorry ; Sorry |
—____ is the coat?
— It`s white.
| A．What | B．Where |
| C．What color | D．How |