More than five __________ people went to the concert last night.
A. thousand B. thousands C. thousands of
—How much did you ____ buying the new bike?
—Three hundred yuan.
| A．pay | B．cost | C．take | D．spend |
— The man in the red car __________ his father.
— Yes. I think so.
| A．can be | B．must | C．must be | D．can not |
Insects __________ plants.
| A．feed in | B．food on | C．feed on | D．feed of |
He is the tallest __________ the three.
| A．in | B．of | C．at | D．for |
— Our teacher told us that these exercises were __________.
— Really?
| A．far more easy | B．much easier | C．even more easy | D．so easier |