19.（ ）

(单选题)—______can we keep healthy?— By exercising and eating health (单选题)— Excuse me, ______is the price of the ticket to Beijing?— I (单选题)—Never take chances when driving a car. It’s dangerous.— ___ (单选题)______ of the students are going to visit the museum next we (单选题)They arrived at Japan ______the morning of May 15th. (单选题)Queen Elizabethan ______for seventy years with Prince Philip (单选题)It was quite noisy at the party, so everyone had to ______. (单选题)I felt much ______after I took some medicine and had a rest. (单选题)Mrs. Smith often goes to visit some patients in hospitals to (单选题)—Will it be sunny tomorrow? We are going to have a picnic in