【单选题】
How stupid I have been! Why _______ I do that before?
【单选题】
Have you remembered _______the windows? It’s going to rain.
【判断题】
A: Good evening, Valley Hotel.
B: Good evening, who is that speaking, please?
【判断题】
The problem is causing by manager’s mistake.
【判断题】
I have my house cleaned once a week.
【单选题】
I have spent a lot of time_______repairing the machine.
【单选题】
The car accident happened_______a spring morning.
【单选题】
By the end of this month, I_______enough money for a training course.
【单选题】
She _______ him not to smoke and he finally agreed.
【单选题】
He _______ in the office the whole afternoon.