初中近义词组辨析11 - 家长易论坛

选用下列短语的适当形式填空。
think about think over work out work on    have been to have been in
hear of       hear from    used to be used to look for    find out
1.    I _______________ going to Beijing for my holiday.
2.    I _____________ play football when I was younger, but not very often.
3.    The scientists _________ inventing new ways of reaching outer space.
4.    We _______________ the Great Wall twice already.
5.    There is an important matter _______________.
6.    --- __________ you _________ Mr Black, sir?