39. It’s suggested that vehicle taxes should be set ____ on how dirty the car’s exhaust is, with
no tax ___________ on the most environmentally friendly one.
| A．depending… imposing | B．depended…imposed |
| C．depending…imposed | D．depended…imposing |
—How long have you been working as an assistant here?
—__________I finished middle school.
| A．Ever since | B．Before | C．After | D．When |
Mary is a good girl, but she has some___________. For example, she doesn’t like helping others.
| A．questions | B．mistakes | C．shortcomings | D．disadvantages |
This is the office ________ my parents are visiting now.
| A．which | B．what | C．who | D．where |
The manager of the company asked ________.
| A．What is the hero’s name. | B．what the hero’s name was |
| C．What was the hero’s name. | D．what the hero’s name is |
—I'm going to travel along the Mekong River next week.
—______________.
| A．Have fun | B．Take care | C．Best wishes | D．Write to me. |