you must stay away from the building 改为一般疑问句,并作肯定回答
【Must 】i【 stay 】away from the building
yes,you【 must 】
you should have a rest对have a rest提问
【 What 】【 should 】i【 do
jim has some new books 改为否定句
jim【 doesn't 】【 have 】【 any 】new books
please be quiet 改为同义句
please【 don't 】【 make 】【 noises 】
we should be quiet改为同义句
we【 should 】【 keep 】【 quiet 】
Jack is asking ben some question 对 asking ben some question 提问
【 What 】【 is 】Jack【 doing
the sign means danger 对danger提问
【 What 】【 does 】the sign【 mean
the sign mean different things 对different things 提问
【 What 】【 does 】the sign【 mean
jack is three years old 对three years old 提问
【 How 】【 old 】is jack?