—You were out when I dropped in at your house yesterday.
—Oh, I________ for a friend from Beijing at the railway station.
| A．was waiting | B．had waited | C．am waiting | D．have waited |
High-speed trains travel at 300 kilometers an hour，which is about normal trains．
| A．four times the speed as | B．the speed four times of |
| C．four times as the speed of | D．four times the speed of |
How wonderful it will be that whoever is in need of a job can get．
| A．it | B．that | C．one | D．this |
—I really can’t thank you enough
—．
| A．With pleasure | B．I’m glad to have been of help |
| C．No problem | D．That’s the most I could do |
Although very hard, he didn’t pass the exam.
| A．work | B．to work | C．working | D．worked |
— How are they getting on with their work?
— All go well as
| A．to be planned | B．being planned | C．planned | D．planning |