---People should use public transport instead of their own private cars. --- _______.The roads are too crowd as it is.
Mr. Thompson, without _________timely help finishing the task would have been out of the question, fell ill last week.
Being hungry, I was in search of cake or fruit in the fridge, but found _______.
Considering all that she had _______, she was really an amazingly cheerful woman.
How long do you think ____ the car factory launches a new model?
Having lived in China for 8 years, Helen has a good ______ of both English and Chinese.