Tired _______ he was , he decided not to trouble her.
| A．as | B．although | C．unless | D．even if |
Persistence is a good quality and that’s ___ it takes to achieve your dream.
| A．where | B．which | C．what | D．How |
No sense the Asia-Pacific century will make ___ China develops.
| A．unless | B．as | C．if | D．When |
—The result of the research made in the lab has disappointed me.
— ____. You’d better do some sports.
| A．Take your time | B．Have fun |
| C．Just relax | D．Watch out |
Water rafting, ___ courage plays an important role, is a breathtaking outdoor sport.
| A．which | B．whose | C．where | D．When |
The little girl, with tears ___ down her cheeks, stopped crying suddenly when given an apple.
| A．having rolled | B．to roll |
| C．rolled | D．rolling |