If you go for a long ride in a friend's car, it's the custom to offer to __________ some of the expenses.
| A．pay |
| B．pay off |
| C．pay for |
| D．pay back |
He sent me an e-mail, ______to get further information.
| A．hoped | B．to hope | C．hoping | D．hope |
The countryside gives us peace and quiet, which is ___ we can’t enjoy living in the city.
| A．that | B．what | C．why | D．where |
.After graduation I was employed by a small private business and a small office was _______
for me.
| A．equipped | B．offered | C．shown | D．provided |
.Have you sent that letter off yet? There’s something important I’d like to add ______ it.
| A．up | B．to | C．/ | D．with |
Living in a house on a mountain top ______ be rather cold, especially in winter.
| A．can | B．shall | C．need | D．should |