George is going to talk about the geography of his country, but I'd rather he __________ more on its culture.
| A．focus | B．focused |
| C．would focus | D．had focused |
_____ lots of times, the song doesn’t sound as nice as before.
| A．Hearing | B．To hear | C．Having heard | D．Heard |
But for your support then, I don’t think we _____ the task.
| A．can manage | B．could have managed |
| C．could manage | D．can have managed |
—Do you know where the headmaster is? I have something urgent.
—Oh, he ____ have gone far, for the computer is still on in the office.
| A．won’t | B．mustn’t | C．can’t | D．wouldn’t |
— Shall I pick up your shopping for you?
— Oh, I couldn’t possibly trouble you.
— It’s all right. I _________ past the shop anyway.
| A．will go | B．will be going |
| C．was going | D．goes |
— How was your weekend, Bella?
— Awful! That was the first time I _____ alone at home, bored to death.
| A．has left | B．had left |
| C．has been left | D．had been left |