问题
                    
Can he work out the maths problem? —-I think _____ hard for him to work it out.
                            A:it’s
B:that’s
C:this is
D:they’re
                        
                        B:that’s
C:this is
D:they’re
正确答案是:
                        
                        
                        
                    同类题型
                    Mr. Green will have ____ holiday very soon.
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What do you think of the dish?-It looks _____ and it tastes _____ too.
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