Peter is very tired, ____________he went to bed early.
| A．or | B．but | C．so | D．Because |
-- Will you hold a party in the open air?
-- I'm not sure, because it ___ the weather.
| A．stands for | B．depends on |
| C．lives on | D．agrees with |
_______ the little girl was hit by a truck, nobody gave a hand to the girl ______ an old lady appeared. Why were they so cold-hearted?
| A．When；while | B．Before; until |
| C．After；until | D．As； while |
—She didn’t make ______ great progress，did she?
_______，although she did her best.
| A．so； No | B．so； Yes |
| C．such; No | D．such；Yes |
I think it's well worth ______ our best to learn a second language well.
| A．to try | B．trying | C．try | D．tries |
The thing that matters is not whether you fail or not, _______whether you try or not.
| A．and | B．or | C．so | D．but |