If we work hard with a strong will, we __________ overcome any difficulty，__________ great it is.
| A．must; however |
| B．need; whatever |
| C．can; however |
| D．will; whatever |
-Are you a volunteer now?
-No, but I __________. I worked for the City Sports Meeting last year.
| A．used to |
| B．used to be |
| C．used to do |
| D．was used to |
He used to __________cards, but now he is used to __________ a walk after supper.
| A．play; taking |
| B．playing; take |
| C．play; take |
| D．playing; taking |
Whenever my parents talk with me, they always __________ great importance to how important and necessary it is for us young people __________ ourselves both in work and in life.
| A．put; to depend on |
| B．attach; to rely on |
| C．lay; depending |
| D．attach; relying on |
I wondered what difficulty he had __________ the plan?
| A．to carry out |
| B．carrying out |
| C．carried out |
| D．with carrying out |
Whoever leaves the office last must make sure the light is __________.
| A．switched on |
| B．switched off |
| C．switched over |
| D．switched to |