The reason__________ their failure you know is they didn't get fully prepared for the experiment.
| A．why.., that | B．that.., why | C．for.., that | D．why.., because |
After being broadcast on TV, the news was known by all ________.
A. at any time B. in no time
all the time D. at one time
It occurred to me ________ Jack might be interested in the problem we had discussed.
A. what B. why
how much D. that
Mary wrote books to earn money while John gained his wealth ________ selling Mary’s works.
A. with B. by
on D. through
It took me quite a long time to ________the new environment here.
A. adapt to B. relate to
apply to D. attach to
—I’ll call you at 9 tomorrow morning, OK?
—You’d better not, I ______ the piano then.
A. will be practicing B. am about to practice
am practicing D. practiced