I knocked at the door but ___________ answered． Maybe they went to the concert．（ ）
| A． |
nobody |
B． |
somebody |
C． |
everybody |
D． |
anybody |
May I ask a question after class，Mr．Li？
_________，but not during my lunch break．（ ）
A．SometimesB．AnytimeC．CertainlyD．Better not
Don't forget______ the rubbish out when you leave．（ ）
A．takingB．bringingC．to takeD．to bring
Why didn't you go to the speech yesterday afternoon，Tim？
I'm so sorry．But I ______ my homework．（ ）
A．have doneB．was doingC．will doD．am doing
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