It’s very kind _________ you to help me carry the boxes since it is difficult _________ a person like you to carry so heavy things.
| A．of, of | B．of, for |
| C．for, of | D．for, for |
Will you please invite him _________ in a writing competition?
| A．joins | B．to joining | C．to join | D．joining |
I have a friend __________ Millie.
| A．call | B．to call | C．called | D．calling |
--- Which city do you want to_______?
---I want to go to Beijing.
| A．go | B．to go to | C．go to | D．going |
--- Do you have any problems _______ your maths?
--- No, I don’t. But I need some help _____ my English.
| A．on, on | B．with, with | C．on, with | D．with, on |
Sam spends _____ time ______ CDs than Daniel.
| A．more, to buy | B．less, on | C．fewer, buying | D．less, to buy |