. Suddenly everyone stopped talking. It became clear that something unexpected _____. But, for a while, I didn’t know what it was.
| A．has happened | B．is happening | C．happened | D．had happened |
Work means much to me. It is ______ of my life ______ air, water and sunlight.
| A．as much a part; as | B．as a part as much; as |
| C．as a part much; as | D．so much a part; as |
To gain a bigger _______ internationally, many companies are striving to make their products more competitive.
| A．hold | B．share | C．interest | D．part |
—Tony said he could fix my bicycle, but I really doubt it.
—_ __. He's good at that sort of thing.
| A．Don't worry | B．Of course |
| C．A piece of cake | D．I couldn't agree more |
No sooner ________in the distance ______a storm began to pour.
| A．a thunder broke; when | B．a thunder had broken; than |
| C．had a thunder broken; than | D．did a thunder break; than |
The CDs are on sale！Buy one and you get ______ completely free.
| A．other | B．others | C．one | D．ones |