— Mary, let’s go to the lecture by Hawking, which is said to be very interesting．
— I’d like to, but I ________ finish the report first．
A．can B．may C．must D．shall
After being broadcast on TV, the news was known by all ________．
A．at any time B．in no time C．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 C．how much D．that
Mary wrote books to earn money while John gained his wealth ________ selling Mary’s works．
A．with B．by C．on D．through
It took me quite a long time to ________the new environment here．
A．adapt to B．relate to
C．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
C．am practicing D．practiced
