A. Niagara Falls B. dance music C. hammer out D. raincoat A. sad B. teach English C. school D. door A. voluntary B. merchant C. member state D. opera A. another B. close to C. precious D. Japan A. chewing gum B. speak English C. That's OK D. piece A. crocodile B. arbitrary C. composer D. tightly A. violin B. bump C. unable D. fuel A. workplace B. rosebud C. rendezvous D. sound A. Antarctic B. or C. feel D. bachelor A. settler B. at midnight C. whine D. noisy