1. Prices of daily goods ____ through a computer can be lower than store prices.
2. With a lot of different problems ____,
the newly-elected president is having
C. to settle D. being settled
3. Don’t use words, expressions or phrases ____ only to people with specific knowledge.
A. being known B. having been known
4. When I got back, I saw a message ____ to the door____ "Sorry to miss you; will call later."
A. pin, read B. pinning, reading
C. pinned, reading D. pinned, read
2)作表语 表示主语的心理感觉或所处的状态。许多动词的过去分词已经被当作形容词使用。如：disappointed, excited, moved, puzzled, pleased, surprised, lost等。
The window is broken. 窗户碎了。
Don’t get so excited. 别这么激动。
1.用作表语的过去分词被动意味很弱，主要表示动作的完成和状态，此时相当于一个形容词。
