1.Lan and Nam draw a map of Vietnam by________
a.myself
b.herself
c.ourselves
d.themselves
2. Children mustn’t _______ with matches.
a.to play
b.playing
c.play
d.played
3. Does she often help her mother _______ the housework?
a.for
b.with
c.by
d.of
4. Children _______ to drink milk every day. It’s good for them.
a.ought
b.must
c.don't have
d.must not
5. We have to keep all the drugs and chemicals in _______ cupboards.
a.locking
b.to lock
c.locked
d.lock
mấy bạn giúp mik chọn câu a b c hay d với mik lú quá ko bt làm