.He has just arrived, but he talks as if he _____ all about that.
| A．know | B．knows | C．known | D．knew |
We had to wait half an hour _____ we had already booked a table.
| A．since | B．although | C．until | D．before |
Tom was thinking about how to explain to the teacher why he was late for class, when a good idea ______ to him.
| A．happened | B．brought | C．occurred | D．struck |
Parents feel they don’t have the ability to influence children’s decisions ______ children feel their parents’ goals are hard to achieve.
| A．although | B．while | C．until | D．unless |
The company had about 20 notebook computers but only one-third _____ used regularly. Now we have 60 working all day long.
| A．is | B．are | C．was | D．were |
______ speed and comfort, a bicycle can’t be compared with other means of transportation like car and train.
| A．In terms of | B．In case of | C．Instead of | D．In spite of |