------ How many people were invited to the meeting?
------About six ________.
| A．hundred | B．hundreds |
| C．hundred of | D．hundreds of |
_____ wonderful time they had in HongKong!．
| A．How | B．What |
| C．What a | D．What an |
Lily is so smart in her class．She usually spends the_____time and makes the_____mistakes in her homework．
| A．least,least | B．fewest,least |
| C．fewest,fewest | D．least,fewest |
If_____litters, our world will be more beautiful．
| A．everyone | B．someone |
| C．anyone | D．no one |
—Can the plane fly _____ the Atlantic Ocean?
—Yes,but it needs to go_____the clouds for hours．
| A．across,through | B．through, across |
| C．across,across | D．through, through |
—Can you tell me _____when the teacher came into the classroom?
—Sorry,I don’t know．
| A．what were the students doing |
| B．what are the students doing |
| C．what the students were doing |
| D．what the students are doing |