We didn't go into the house because the sign said“________”．

A. As    B. For

C. If    D. Because

A.     B. 

C.     D. 

A. mustn’t              B. needn’t

C. couldn’t             D. wouldn’t

A. in time    B. in pieces

C. in person    D. in trouble

A. What    B. What an

C. What a    D. How

A. I wonder    B. It seems

C. I bet    D. No wonder

A. what's the matter

B. what are you doing

C. where are you going

D. where have you been