–I tried many times, but I still failed in the experiment.
--Don’t be discouraged. _______ and the problem will be settled.
| A．Having a little effort | B．There is a little effort |
| C．If you have a bit effort | D．A bit more effort |
. We should consider what use can _______ such a book.
| A．be made of | B．be made from | C．be made up | D．be made in |
Once he ______ his mind, nothing can be done to ________ his mind.
| A．made up; change | B．has made up; change | C．changed; make up | D．has changed; make up |
Many questions _____ at the meeting, but he answered none.
| A．came up | B．were risen | C．raised | D．asked |
. The old man, who _______ the World War II, is Peter’s grandfather.
| A．went along | B．went out | C．went away | D．went through |
. Students should _____ everything important their teachers give in class.
| A．set up | B．set out | C．set aside | D．set down |