An independent traveler would like to struggle with maps and signs ____ he finds the way．
| A．since | B．until | C．before | D．when |
The Harry Potter books are quite popular; they are in great ___ in this city.
| A．quality |
| B．progress |
| C．production |
| D．demand |
—Thank God you’re safe!
—I stepped back, just ___ to avoid the racing car.
| A．in time |
| B．in case |
| C．in need |
| D．in vain |
Go out in couples, with friends who can help you in ___ of trouble.
| A．time |
| B．case |
| C．occasion |
| D．situation |
We’ll do a really ___ house cleaning before the New Year.
| A．total |
| B．complete |
| C．thorough |
| D．whole |
For once, nobody could ___ them ___ lacking ability.
| A．accuse; for |
| B．accuse; with |
| C．charge; with |
| D．accuse; of |