—Do the dishes,Tom, or I will tell Mom!--Mind your own_____,Mary!
Our school life is more interesting now _________ we can enjoy ourselves in different clubs.
because
whether
unless
although
Modern medicine is developing quickly and now most eye problems _________ be cured.
can
must
should
need
Huaguoshan Airport will open up international flights. It will make it _________ for us to travel abroad.
happier
easier
closer
safer
—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