My father has given up smoking since he ______on.
| A．will operate | B．will be operated | C．operated | D．was operated |
By , production in the area is expected to double ________ of
| A．that | B．one | C．it | D．what |
代词：人称、物主、反/自身、指示、相互、疑问、不定代词
As they were classmates, ________ was no wonder that they should do the work in the same way
| A．This | B．That | C．There | D．It |
It took us ________ to finish the experiment on the monkey
| A．an hour or two | B．one or two hour |
| C．one and a half hour’s time | D．one hour and a half time |
A nine-year-old kid, waving ________, drove his family’s cows home
| A．a stick of his half height | B．a half his height stick |
| C．a stick his half height | D．a stick half his height |
During ________ this famous scientist found the ways of discovering the new chemical element
| A．the later ’s | B．the late s | C．later ’s | D．late s |
E) the later s F) the latest s G) later s H) late ’s
I) the latest ’s J) latest s K) latest ’s L) last s
M) last ’s N) the last ’s O) the last s