单项选择题
A.work out B.to be working out C.worked D.to work out
This kind of material expands（）the temperature increasi...
单项选择题This kind of material expands（）the temperature increasing.
A.to B.for C.with D.at
This is the student（）I know will pass the TOEFL test.A....
单项选择题This is the student（）I know will pass the TOEFL test.
A.who B.whom C.whose D.what
This is Mr. Green and this is Mr. Brown.（）A.How do you ...
单项选择题This is Mr. Green and this is Mr. Brown.（）
A.How do you do B.How are you C.Fine, thank you D.Hi, how are you getting on
