All the other boys have geography books and they will be ahead of me if I don’t get ______.
| A．it | B．the one | C．one | D．that |
Please do me a favor—________ my friend Mr.Smith to Youth Theater at 7：30 tonight.
| A．to invite | B．inviting | C．invite | D．invited |
The traffic rule says young children under the age of four and________ less than 40 pounds must be in a child safety seat
| A．being weighed | B．weighs |
| C．weighed | D．weighing |
________ blood if you can and many lives will be saved.
| A．Giving | B．Give | C．Given | D．To give |
I can't stand ________ with Jane in the same office.She just refuses ________ talking while she works.
| A．working; stopping | B．to work；stopping |
| C．working；to stop | D．to work；to stop |
Isn't it time you got down to ________ the papers?
| A．mark | B．be marked |
| C．being marked | D．marking |