--- How are you getting along with your English study? Do you need my help?--- , but I think I can improve it by myself.
--When _________ the training course begin? --Next Monday.
I think you’d better _____ your spare time better.
Since the able person, John, is in ______ charge of the matter, we’re sure that the matter is under _____ control now.
I am too tired to go there. __________, it’s getting dark.
Gun control is a subject ___ Americans have argued for a long time.