You ________ pay too much attention to your reading skill, as it is so important.[ ]

Hi,Smith, can I borrow the meeting-room upstair this afternoon?—Sorry．It ____

Many beautiful fish are disappearing____ the severe(严重的) pollution.

Who is _____ woman in front of the classroom—The one with ____umbrella She is our Chinese teacher.

After the quarrel, I tried to fix the misunderstanding between us, but all my efforts seemed ______.