Although you may meet some difficuIties,you should never .
—Maria is wanted on the telephone. Where is she? —She _________ the library. You can find her there。
Which of the following signs can be seen on the door of a shopping mall?
---Can you tell me what the Olympic motto(宗旨) is?------___________.
---Can you tell me something about Liu Yang?---Oh, she _____ the first Chinese woman astronaut to get into space.
— I feel tired and sleepy. — Why not consider_________?