The workers _____busily when the boss came to look for something she ______in the office.
A had worked, had left B were working ; had left C working ; had left D had worked; left
________about her son’s future, the mother has been sleeping very badly these months.
| A．Concerning | B．Concerned |
| C．To concern | D．Having concerned |
A ____will be offered to the information leading to the arrest of the bank robber.
| A．price | B．fund |
| C．reward | D．profit |
When we are getting excited, angry or scared, our bodies also ______many physical changes.
| A．go over | B．go around |
| C．go through | D．go far |
History is the best teacher. It ______records the development path of each country and foretells the future to us.
| A．apparently | B．conventionally |
| C．faithfully | D．eventually |
---You needn’t take an umbrella. It isn’t going to rain.
---Well, I don’t know. It __________ do.
| A．might | B．need |
| C．would | D．should |