Question

【題目】The letters for the boss___________ on his desk but he didn't read them until 3 days later.
A.were put
B.was put
C.put
D.has put

Answer 1

【答案】A
【解析】句意：給老板的那些信放在他的辦公桌上，但是直到三天以后他才讀了那些信。letter“信件”和put“放”之間是被動的關系，所以排除C和D，然后因為letters是復數，所以選擇A選項。