---________cleaning the blackboard ? ---Lucy .
A. Who’s B. Who are C. Who
I stay at home ______ these days and I feel very bored and ________.
A. alone , lonely B. lonely, alone C. alone , alone
Talking with others can make you _____ conrident.
A. felt B. feeling C. feel
Beijing Opera is our national opera ________ a history of 200 years.
A. about B. with C. at
I hope everything ________ well.
A. go B. went C. goes
It’s very difficult for him ___ English well .
A .learns B. learn C. to learn