_______, when Marx was already _______, he found it was important to study the situation in Russia, so he began to learn Russian.
| A．In 1870s, in his fifties |
| B．In 1870s, in fifties |
| C．In the 1870s, in fifties |
| D．In the 1870s, in his fifties |
—Is everything clear to you all now, class?
—Sorry, I didn’t catch the first sentence. Would you please ______?
| A．beg your pardon | B．repeat it again |
| C．say it again | D．speak it again |
—Did you watch the basketball match last night?
—Yes. Jeremy Lin didn’t play ______ he did last week.
| A．well than | B．more better than | C．as well as | D．as good as |
—You looked so tired this morning. How much_____ for the work?
—Oh, I was just helping my friend.
| A．were you paid | B．did you pay | C．would you pay | D．did it cost |
A cat, ______ it is a white one ______ a black one, is considered to be a good cat as long as it can catch mice.
| A．both; and | B．not only; but also |
| C．either; or | D．whether; or |
These wild flowers are so special, I would do __ whatever ____ I can to save them.
| A． | B．that | C．which | D．Whichever |