------Would you mind if my friend came along?
-----______________.
| A．Sorry, I don't | B．Yes, go ahead |
| C．No, please don't | D．It's fine with me |
– Do you know William failed the exam, Jenny?
-- _____? As far as I know, he is always working hard.
| A．So what | B．How come | C．Why not | D．What for |
When you communicate with people, it is not unusual to find yourself in a situation ____ you have to politely decline an offer.
| A．where | B．which | C．what | D．why |
Not until Betty got to the airport _____ she had lost her tickets.
| A．that she realized | B．did she realize | C．where she realized | D．she realized |
____ has been proved again and again that ____ is said in the ads greatly affects people’s impression of the products.
| A．There; what | B．There; that | C．It; which | D．It; what |
_____ no spare parts, the equipment could not be repaired at once.
| A．There being | B．There having | C．Being | D．There was |