It will be many years ______the doctors and medical scientists can find _____ for cancer.
| A．since; cures | B．when; treatments | C．before; cures | D．until; treatments |
.—Did you find your pen this afternoon?
—No, I didn’t find _________, but I’ve bought _________.
| A．it; it | B．it; one | C．one; one | D．one; it |
.Xiao Li is said _________ abroad, but I don’t know what country he studied in.
| A．to study | B．to be studying | C．to be studied | D．to have studied |
The boys is impolite to others and this _________ hurts himself.
| A．in turn | B．at turns | C．by turns | D．in turns |
After many years of hard work, his dream _________ at last.
| A．come true | B．was come true | C．was realized | D．realized |
Despite the fact that there are a lot of complaints about ________ CCTV’s annual Spring Festival Gala(Chunwan),most people think it was really________feast for our eyes this year.
| A．/; a | B．the; the | C．the; / | D． /; / |