When _____ help, one often says “Thank you.” or “it’s kind of you”
| A．offering | B．to offer | C．to be offered | D．offered |
As we all know, no one is perfect, and everyone has his own ______.
| A．mistakes | B．weakness | C．tricks | D．benefits |
It was playing computer games that cost the boy plenty of time that he ______ have spent studying.
| A．might | B．must | C．could | D．ought to |
After released(释放) from prison, the young man ______ a living by running a small restaurant.
| A．produced | B．formed | C．earned | D．performed |
---It’s a long time since I saw my parents.
---______ them this weekend?
| A．Why not to visit | B．Why not visit | C．Why not visiting | D．Why don’t visit |
---You are always full of ______. Can you tell me the secret?
---Taking plenty of exercise and going on a balanced diet everyday.
| A．energy | B．strength | C．force | D．power |