Going on a trip_______be expensive and difficult , so making a plan is necessary.
A. must B. ought to C. shall D can
—I am sorry.I have left my credit card home.And I don’t have enough cash for the meal.
—Don’t worry..
| A．I’ll invite you | B．It’s my pleasure to pay you |
| C．It’s my treat | D．It’s at your expense |
Would it be for you to pick me up at four o’clock and take me to the airport?
| A．free | B．vacant |
| C．handy | D．convenient |
In many American universities, the total work for a degreethirty-six courses, each for one semester(学期).
| A．is consisted of;lasts | B．consists of;lasting |
| C．is made up of;lasts | D．make up of;lasting |
I thought we had be late for the concert,but we ended up getting there ahead_____time.
| A．of | B．in |
| C．over | D．for |
When I visited her,she was in writing a lecture speech on Chinese history.
| A．absorbing | B．concentrated |
| C．devoted | D．occupied |