I would appreciate __________ if you could teach me how to use the computer.
| A．that | B．this |
| C．it | D．you |
Great changes ___________in my hometown in the past 30 years.
| A．took place | B．have taken place |
| C．would take place | D．take place |
The students went into the classroom,________.
| A．talking and laughing | B．talk and laugh |
| C．talked and laughed | D．to talk and laugh |
As Mary ______ a poem, her little sister ______ asleep.
| A．was reading, has fallen | B．was reading, was falling |
| C．was reading, fell | D．read, was falling |
The workers ______ a new restaurant. It is said that the construction work will be finished next month.
| A．have built | B．have been building |
| C．built | D．had built |
When ____ about the possibility that Justin was taken away by aliens, Detective San Peterson, who has taken charge of the case, didn’t say much.
| A．asking | B．asked | C．to ask | D．ask |