______ for two days, Steve managed to finish his report on schedule.
| A．To work | B．Worked |
| C．To be working | D．Having worked |
Ted couldn’t remember the exact date of the storm, but he knew it was ______ Sunday, because everybody was at ______ church.
| A．/; the | B．a; / | C．/; a | D．the; a |
—Why didn't you answer my phone just now?
—Sorry．I Shenzhou VII launched on TV and didn't hear the phone．
| A．have watched | B．watched | C．was watching | D．would watch |
He ____ such a large house, though he was very glad.
A . need buy B. hadn’t bought C shouldn’t have bought D. needn’t have bought
.—English has a large vocabulary, hasn’t it?
--Yes._____ more words and expressions and you will find it easier to read and communicate.
| A．Knowing | B．Know | C．To know | D．Knew |
It’s ____ in America to eat turkeys on Thanksgiving Day.
A ancient B. local C. native D. traditional