it is normal for parrots to talk, Einstein, a small bird, is unusual in that whenever she hears a new word or sound, she repeats it over and over until she masters it.
| A．As | B．When | C．While | D．Since |
,The ____boy was last seen ______near the East Lake.
A.Missing, playing B. missing, play C missed ,played D missed ,to play
_____is 1636, Harvard is one of the most famous universities in the United States.
A. Being rounded B it was founded C. Founded D. Founding
He sent me an e-mail ,_______to get further information.
A.hoped B hopingC. to hope D. hope
They are not very good, but we like_______.
| A．anyway to play basketball with them |
| B．to play basketball with them anyway |
| C．to play with them basketball anyway |
| D．with them to play basketball anyway |
.Cleanig woman in big cities usually get ______by the hour.
| A．pay | B．paying | C．paid | D．to pay |