Lisa doesn’t know ______ she and her friends can do to help the little boy ______ parents have left their hometown for making money.
________ Tom ________ Mary speaks good Chinese, so they can communicate with these Chinese students very well.
The boy doesn't speak his sister, but his written work is very good.
I think ___is necessary ___ my 20-year-old daughter to have her own mobile.
I don’t knowhe will win tomorrow. I never doubtit will rain tomorrow.
Which of the following signs can NOT be found in a hospital?