If you have a job，________yourself to it and finally you’ll succeed.
| A．do devote | B．don’t devote |
| C．devoting | D．not devoting |
. I ____ to the top of the tree, but I fell off it and hurt my leg.
| A．must have climbed | B．was able to climb |
| C．could have climbed | D．should have climbed |
. He is rather difficult to make friends with, but the friendship of his, _________,is truer than that of anybody else’s.
| A．once gained | B．while gaining | C．if gains | D．after gained |
--- I’ve lost the game again.
--- ____! It’s not that bad!
| A．Cheer up | B．I’m sorry | C．It doesn’t matter | D．Oh, my goodness |
. You should remember the cause and avoid it the next time you _______the same situation.
| A．come out | B．come about | C．come up | D．come across |
So difficult __________ it to adapt to the academic requirements of a Western university that I determined to take a preparation course.
| A．I have felt | B．have I felt | C．did I feel | D．I did feel |