_______, 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 |
—Excuse me. How far is the post office from here?
—It’s about _______walk.
A. ten minute B. ten minutes C. ten minutes’
Liu Ming is _______18-year-old student. He got a gold medal in the competition.
A. a B. an C. the
-- It seems that Alice never wants to do anything except draw pictures.
-- Right. That’s what she likes to do ______.
| A．more | B．less | C．most | D．least |
The teacher asked the boy many questions, but he only answered ______ of them.
| A．some | B．lots | C．each | D．few |
-- Are you going to the party?
-- No, because I ______.
| A．have asked | B．haven’t asked |
| C．have been asked | D．haven’t been asked |