—We must thank you for taking the trouble to cook us a meal.—________.
The millionaire passed away, leaving his children with a large ___________.
__________ with such great difficulty, Jack felt at a loss__________.
It is few people, _________ have come to ask for the position, __________ fit for the job.
This river has changed its course many times. It _________ always located where it ________ at present.
I,who____your friend,will try my best to help you with your English.