—Why not stop _______ a rest?—Oh, it’s so exciting that I can’t stop _______ the kite.
I never have applesoranges, but my father says an apple a daythe doctor away.
There was a big fire in Harbin__________ the afternoon of January 2nd.
There is ________ “u” and _________ “m” in the word “umbrella”. a, a B. a, an C. an, a D. an, an
--Did you have a good vacation? --. I enjoyed myself with my family on the beach.
-- do the children take art lessons ? --Three or four times a week.