A. In fact B. Luckily C. Naturally D. Unfortunately
单项选择题Some of the students have already learned enough English to()a conversation with a native English speaker.
A. carry on B. keep on C. go on D. hold on
单项选择题The unemployment rate in this city () from 7% to 6% in the past two years.
A. has fallen B. had fallen C. is falling D. was falling
