At the age of 29, Dave was a worker, _____ in a small apartment near Boston and ______ what to do about his future.
The government cannot be seen to ______ to terrorists' ______ .
——She shouldn't have done that sort of thing.—Whatever she did was reasonable, ______ to what you did. Besides, it's none of your business.Get down to ______ your lessons.
The number of people invited ______ fifty, but a number of them ______ not seen at the meeting.
A student should not ______ small errors, which might lead to serious mistakes in the future.
— ______ I’m very busy now. Could I call you back after work?—OK. I'll wait for you.