We’ll have to finish the job, _________.
| A．long it takes however | B．it takes however long |
| C．long however it takes | D．however long it takes |
We hope your suggestion will ______ solving the problem.
| A．contribute to | B．relate to | C．attend to | D．devote to |
It is impossible that you achieve your goal without effort, ?
| A．don’t you | B．is it | C．isn’t it | D．do you |
______ a chance to learn from the teachers from foreign countries is really an honor for me.
| A．Given | B．Being given | C．Have been given | D．Giving |
He was determined to hold on to this job ___ difficulties he might run into.
| A．whatever | B．however | C．no matter how | D．no matter |
_____ on the top of the hill is a monument, dating back to hundreds of years ago.
| A．Having stood | B．Standing | C．Being stood | D．Having been stood |