Upon reaching an ________ age, more often than not, children are encouraged, but not forced, “ to leave the nest.”
The computer system _____ suddenly while he was searching for information on the Internet.
about the journey, I was unsettled for the first few days.
Not only ______ strict with us, but also ______ for us .
____ a letter from her parents, Lily is now looking forward to ___ from them. A Having not received; hear B. Not received; hear C. Not having received; hearing D. Receiving not; hearing
--- What’s Joan doing? --- ________ newspapers in the room.