University is ______ most worthwhile time of discovery and learning, and it is also ______very enjoyable and valuable experience for every one of us.
| A．a；a | B．a；/ | C．/；a | D．a；he |
---What about having a drink? -- --_______.
| A．Help yourself | B．Never mind |
| C．You’re right | D．Good idea. |
I wish I could go camping with you next weekend; it sounds fun. _______, I’ll have to work.
| A．Carelessly | B．Unfortunately |
| C．Hopefully | D．Naturally |
They usually go shopping____ their lunch break.
| A．against | B．among |
| C．between | D．during |
---Would you like to go to see the film with us?
---Thanks, but I ____it already.
| A．am seeing | B．have seen |
| C．was seeing | D．did see |
It’s hard to believe____ the way out of the forest without the help of the local guide.
| A．what they were able to find |
| B．what were they able to find |
| C．how they were able to find |
| D．how were they able to find |