In this section, we will briefly describe possible ways of reducing the costs and risks __________ in doing this.
Do you think the possibly _____retirement will result in high unemployment rate?
We had our bad times but on the whole we are ____ happy with our life.
---Did you see clearly who the driver was? ---No, so quickly _____ that I couldn’t have a good look at the face.
The topic, _______ we devoted a heated discussion last night, is a hot issue at present.
It even leaves the wise scientists in wonder____ they should call the newly-born creature, which looks half-human and half-animal.