If you want ________ your pronunciation, keep on practicing every day.
improve
improved
improving
to improve
—Do you know _______?
—She is a teacher.
What is Linda’s job
What Linda’s job is
What was Linda’s job
Tea _______ by accident about 5000 years ago.
invented
was invented
is invented
—Whose English book is this?
—It _______ be Lily’s, but I’m not sure.
might
can’t
must
We _______ each other since I came to Changsha, but we often send emails.
haven’t seen
didn’t see
don’t see
Mingming will have a class meeting _______ 3:30 this afternoon.
on
in
at