The traveler _______ his coat on a stone and _______ down to have a rest.
| A．lay; lay | B．laid; lay | C．laid; laid | D．lied; lied |
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 c
are.
| 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 ac companied |
Stephen Hawking believes that the earth is unlikely to be the only planet life has developed gradually.
| A．whose | B．where | C．which | D．what |