At last he finish the work ahead of time.
| A．could | B．was able to |
| C．could have done | D．would have been able to |
---You have to believe in yourself. No one else will, if you don’t.
---______________. Confidence is really important.
| A．That’s not my cup of tea | B．That’s not the point |
| C．I guess not | D．I couldn’t agree more |
Bears ______ fat stores throughout the summer and fall to have energy enough to last them through winter sleep.
| A．build up | B．pack up | C．bring up | D．take up |
By 2013, cases of AIDS had been reported in Harbin, thus _____ AIDS a provincial concern.
| A．to make | B．making | C．having | D．made |
I was blessed with a happy childhood, ______ that most people would want to have.
| A．the one | B．one | C．it | D．/ |
The Arctic, which is abundant in oil, _____ second only to the Middle East, is ______ home to seals.
| A．the; a | B．/; the | C．the; a | D．/; / |