Children find_____difficult to sit for hours with little to do while flying.
| A．which | B．this | C．that | D．it |
As long as you’ve paid _________ advance we won’t charge you _________ delivery.
| A．by: for | B．in; with | C．in; for | D．by; with |
At first he refused to admit he had stolen but when he was shown the videotape he ______ and admitted everything.
| A．broke down | B．broke away | C．broke up | D．broke out |
Only when _________ be possible to sign the papers.
| A．does the boss come will it | B．the boss comes will it |
| C．has the boss come it will | D．the boss comes it will |
Glasses are __and must be handled with great care.
| A．abundant | B．diverse | C．extinct | D．fragile |
The school rule states that no child shall be, unless _by an adult, allowed out of the school during the day.
| A．to be accompanied | B．accompanying |
| C．accompanied | D．being accompanied |