【单选题】
Outside my office window there is a fire _____on the right.
【单选题】
The fox fell into the _____the hunter had set for it.
【单选题】
You should know better than _____your little sister at home by herself.
【单选题】
The reason that his property was confiscated by the country, it _____, was that he was involved in a lot of fraudulent activities during the war.
【单选题】
By the end of next month we _____this assignment.
【单选题】
Our teacher recommended that we _____as attentive as possible when we visit the museum.
【单选题】
_____native to North America, corn has now spread all over the world.
【单选题】
Televisions enable us to see things happen almost at the exact moment _____.
①
which they are happening
【单选题】
By the time you graduate, we _____in Australia for one year.
【单选题】
If you want children to work hard you must _____their interests instead of their sense of duty.