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

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