I wrote a letter of complaint(投诉)，and the airline have promised to _______the matter．
| A．1ook at． | B．1ook into | C．1ook after | D．1ook out |
___ us has a bike.
| A．No of | B．Not of | C．None of | D．Not |
When you are in the lab, you should ___ teacher’s instructions.
| A．follow | B．give | C．receive | D．listen |
The bread ___ bitter.
| A．is tasted | B．was tasted | C．tastes | D．eats |
His father had only a little money left ___ every month.
| A．in the end | B．to the end of | C．at the end of | D．at last |
He used the small room ___ a lab.
| A．like | B．as | C．to | D．about |