--- I called you last night, but nobody answered.
--- Oh, I usually__________off my cell phone by 8:00 pm.
| A．switched | B．have switched | C．switch | D．had switched |
To prevent driving too long a time，we________ driving on the highway.
| A．took turns |
| B．took turn |
| C．made turns |
| D．made turn |
He said he was very busy，but ________he had nothing to do.
| A．at last |
| B．as a result |
| C．in a word |
| D．in reality |
I don't know what to ________her recent behavior at all.
| A．make up |
| B．make of |
| C．make for |
| D．make into |
I could ________by the way she walked that her knee was still bothering her.
| A．tell |
| B．separate |
| C．divide |
| D．find |
In many________，the new version is not as good as the old one.
| A．packs |
| B．aspects |
| C．sides |
| D．points |