It's surprising that your brother __________ Russian so quickly-he hasn't lived there very long.A. picked up B. looked upC put on D.made up
At the foot of the mountain________.
So difficult ___it to work out the problem that I decided to ask Tom for advice.
I have tried very hard to improve my English. But by no means ___with my progress.
_______, he talks a lot about his favorite singers after class.
_______, his idea was accepted by all the people at the meeting.