On the top of the hill ______ an ancient tower with ahistory of more than 1, 000 years.

Which of the underlined part makes the sound(发音) /a/

However, at times this balance in nature is disturbed, _______ a number of possibly unforeseen effects.

21Come alongThere’s________room for another_______few people at the back of thebus

Can you imagine ____________the Taiwan HEDP(塑化剂) event will affect our life —I’m not sure. Many people have begunto have water instead of drinks. how much D