——I let my secretary call you several times. Do you know that?
——I _____in a meeting. I’m sorry.
| A．had been | B．was | C．am | D．have been |
—It’s difficult to tell this picture from that one.
—Yes.The differences between the pictures are very________.
| A．broad | B．narrow |
| C．slight | D．impressive |
I hope the government will take more strict________against the smog that affected several big cities last winter.
| A．attitudes | B．measures |
| C．schedules | D．procedures |
Chengdu has focused on improving the surrounding countryside，________encouraging largescale city expansion.
| A．due to | B．rather than |
| C．except for | D．other than |
Evidence came up________special speech sounds can be recognized by babies as young as 6 months old.
| A．what | B．which |
| C．that | D．whose |
At the meeting，all the people were deeply________with her brilliant report.
| A．impressed | B．surprised |
| C．excited | D．comforted |