his composition was so confusing that I could hardly make any ____ of it.
| A．meaning | B．message | C．information | D．sense |
Never______ such a difficult problem. It took me almost half an hour to work it out.
| A．had I come across | B．I had come across |
| C．did I come across | D．I did come across |
— Do you remember the first time we met?
—At that time you ______us a lecture.
| A．had given | B．were giving | C．have given | D．gave |
Your _______ as a student will be excellent if you develop a habit of reflecting on how you learn.
| A．operation | B．performance | C．growth | D．character |
The scientists are beating their brains, trying to ______ a solution to the problem.
| A．look up to | B．live up to | C．come up with | D．keep up with |
The opening ceremony of the Olympic Games will be broadcast ______ this weekend. You can expect an exactly ______ night.
| A．alive; lovely | B．live; lively | C．live; alive | D．lovely; lively |