英语高手教几道题目,悬赏30分1.Thoseexchangestudentsare(most)fromCanada.2.Idon't(real)knowwhat(do).3.StarShoppingMallclosesat10p.m.(同义句)StarShoppingMallcloses10p.m.4.Pollutionisthebiggestprob

Question

英语高手教几道题目,悬赏30分
1.Those exchange students are ___(most) from Canada.
2.I don't ___(real) know what ___(do).
3.Star Shopping Mall closes at 10p.m.(同义句)
Star Shopping Mall ___ closes ___ 10p.m.
4.Pollution is the biggest problem.(针对划线部分提问)
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______ ______ is the biggest problem.

Answer 1

1 mostly
2 really to do
3 doesn't until
4 which problem一个空就填what