1oxygen masks were important when they go to the top of the mountain. they wear them so as not to get short of air. a)had to b)dare c)could d)might 2.during his school years archibald a great interest in literature. a)took b)had taken c)take d)has taken 3. i slowed down. i wanted the car behind.. to overtake a)to be able b)was able c) be able d) is able 4. you have a bad headcahe a)isn't it b)don't you c)have you d) does it 5. when the old lady got the bus i offered her my seat. a)on b)into c)off d)in

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