.
. _________advertisements are of great help, I don’t think we should entirely rely on them.
| A．Since | B．While | C．Once | D．As |
____ made things worse, he said, was that his roommate never took part in any of the cleaning work．
| A．What | B．Which | C．That | D．Who |
Many things such as going abroad and owning a car, ____ impossible in the past, are now very common．
| A．being considered | B．to be considered |
| C．considering | D．considered |
Walking exercises ____ be boring at times, but on a clear sunny morning nothing could be better．
| A．may | B．will | C．must | D．should |
—Did you happen to hear the recent news?
—Yes, Alice ____ the gold medal in the speech contest, which I find hard to believe．
| A．wins | B．won | C．had won | D．will win |
––Do you think it wise for parents to do everything for their children?
––No. That’s ______ they’re mistaken.
| A．whether | B．when | C．what | D．where |