Why _______ you be so stubborn You should think over my advice on this matter.

So far we have done a lot to build a low carbon economy, but it is ______idealWe have to work still harder.[ ]

ather’s Day around the corner ,I have taken some money out of the bank ______ presents for my dad.

ck Ma is ambitious about his firm’s future, ______ that Alibaba’s achievements will one day top Walmart.

We have to give the users something new ________ what we’ve already offered, which is the only way to broaden the appeal of the website[ ]