—You see, I’m poor in maths, you are not good at English, and... — That’s ____ we should help each other.
They left here early and ________ by now.
She’s developing into someone who’s going to become very poor and require ______.
Information has been put forward ____ more middle school graduates will be admitted into universities.
More than one student ______ J. K. Rowling’s Harry Porte so far.
Jessica is worrying about ______ she has passed the exam.