On a rainy day I was driving north through Vermont, ______ I noticed a young man holding up a sign _____ “Boston”.
—Would you like some coffee? —Yes, and please get me some milk, too. I prefer coffee _____ milk.
Although she is considered as a great writer, _____.
It is very difficult to _____ the meaning of a word without a context.
How much is the round-way _____ by air from Beijing to Nanjing?
It was because of his carelessness _____ he didn’t pass the entrance exam.