Have you heard the traffic ________ that happened in Yatai Street last week?
| A．accident | B．affair |
| C．incident | D．event |
Do you think the possibly _____retirement will result in high unemployment rate?
| A．delayed | B．to delay | C．to be delayed | D．delaying |
We had our bad times but on the whole we are ____ happy with our life.
| A．merely | B．rarely | C．fairly | D．chiefly |
---Did you see clearly who the driver was?
---No, so quickly _____ that I couldn’t have a good look at the face.
| A．the car would speed by | B．the car sped by |
| C．would the car speed by | D．did the car speed by |
The topic, _______ we devoted a heated discussion last night, is a hot issue at present.
| A．which | B．where | C．to which | D．for which |
It even leaves the wise scientists in wonder____ they should call the newly-born creature, which looks half-human and half-animal.
| A．what | B．how | C．why | D．that |