–When did Tom, head of this famous international corporation, stand trial in open court?–It was on Thursday _____ you were in Beijing.
---How long are you staying? ---I don’t know. ___________.
Parents shouldn’t be too ______________ towards their children; they should let them be more independent.
________ he is well again, he can go on with his English study.
This is not an economical way to get more water; _________,it is very expensive.
After her son’s death, the old lady __________ sit at the window, deep in thought.