The letters for the boss ______ on his desk but he didn’t read them until three days later.
#101323
A
was put
B
put
C
has put
D
were put
推荐题目
---Did you enjoy staying with your good friend last week,Lily?---Yes, I______ with him for a long time.
#102617
A
haven’t stayed
B
didn’t stay
C
wouldn’t stay
D
hadn’t stayed
Dr. Smith, together with his wife and daughters, _____visit Beijing this summer.
#104942
A
is going to
B
are going to
C
was going to
D
were going to
I don’t smoke now, but I _______ for more than twenty years. 
#100053
A
smoked
B
was smoking
C
have smoked
D
had smoked