. It is Tom rather than his classmates that _________ to blame for what has happened. A. are B is C. were D. was
It was some time _______ we realized the truth.
Roses need special care _______ they can live through winter.
This photo of mine was taken _______ stood the famous Eastern Bright Pearl in Shanghai.
You should made it a rule to leave things _______ you can find them again.
In time of serious accidents, _______ we know some basic things about first aid,we can save lives.