Miss Li，could you please help me____this math problem？
OK．Let me try．（ ）
A．look upB．work outC．set up
Jane is talented in painting and ________ paint great pictures at the age of 5．（ ）
A．mayB．canC．mightD．could
David had to __________the invitation to the party last weekend because he wasn't free（ ）
A．turn onB．turn downC．turn upD．turn off
I enjoy living with my grandparents．They always cook ______for me．（ ）
A．nothing terribleB．something terrible
C．nothing deliciousD．something delicious
School clubs are lively places where students are encouraged to _______ their interest．（ ）
A．developB．dependC．performD．overcome
___________the students came from different countries，they got on well in the camp．（ ）
A．WhenB．UnlessC．ThoughD．Until