He helps his friends _______ their English.A. in B. at C. with
You _____ to the meeting tomorrow if you have something important to do.
—What did Kate say just now? —She asked _________.
The cakes in the restaurant _____, so they _____ well.
He has got a chair to sit _____ , but nobody to talk _____.
—_____ will you come back, Mum? —In ten minutes.