Don't bother Tom. He is ________ with the experiment on water molecules（分子）in the lab.
| A．focused | B．occupied | C．fixed | D．concentrated |
The newly built stadium for the next Olympic is the present one.
| A．as three big as | B．as big three times as |
| C．as big as three times | D．three times as big as |
I’ll have a job interview next week. Can you give me ?
| A．some advice | B．an advice | C．some advices | D．any advice |
—Are you going to Mary’s birthday party?
—.I might have something else to do.
| A．Thank you | B．Sounds great | C．It depends | D．Don’t mention it |
Air conditioners made in China have won worldwide attentions and GREE has becomepopular name.
| A．a, the | B．/, a | C．/, the | D．the, a |
He ________ two tickets for us before he arrived at the entrance of the cinema.
| A．had reserved | B．has reserved |
| C．was reserving | D．has been reserving |