—You can ask for help ______ you need it .—It’s very kind of you .Thanks a lot .A. however B. whenever C. whatever
一How long do you do exercise? 一____________.
一Is there ____ bread in the fridge? 一Yes. Would you like _________?
一is Tom’s mother? 一The one in red.
Her father and mother ______ drinking black tea.
There isn’t _______________with your computer.