. It is no good ___________ to come now. He is busy.
| A．if you ask him | B．to ask him | C．asking him | D．that you ask him |
I knew we would be friends ____ I met you on campus.
| A．the first time | B．at the first time |
| C．for the first time | D．by the first time |
Which do you enjoy ____ your spare time, surfing the Internet or building up your strength?
| A．to spend | B．spend | C．spending | D．to spending |
The financial crisis is attacking the USA, and it is true ___ many other countries.
| A．to | B．against | C．of | D．by |
---- Can you help me out?
---- Yes, I will solve the problem with this ____.
way B. method C. mean D. means
Bell is considered _____ the first phone in 1896.
| A．inventing | B．having invented |
| C．to invent | D．to have invented |