— Do you still remember when we went to Chongqing?
—I can’t remember now but ______ sometime last summer?
| A．could it be | B．might it be | C．could it have been | D．might it have been |
Don’t laugh at people who are ______.
| A．in troubles | B．in a trouble |
| C．in trouble | D．in many troubles |
He worked hard, ______ he passed the exam.
| A．in a result | B．as result | C．as a result | D．for a result |
Mr. Brown knows little Japanese, so he can’t understand the ______ on the bottle of the pills.
| A．explanations | B．introductions | C．descriptions | D．instructions |
Travelling in space has been made __________ possible with the development of science and technology.
| A．that | B．/ | C．it | D．this |
The book __________ of seven modules ,the seventh of which is revision .
| A．consists | B．is consisting |
| C．is consisted | D．will be consisted |