The scientist knows nothing about the matter, because he is always ______ himself in scientific study.
A. burying B. devoting C. focusing D. concentrating
All the people present at the meeting felt _______ at the ______ decision announced by the manager.
A. shocked; shocking B. shocking; shocked
C. shocking; shocking D. shocked; shocked
__________ you have made a promise, you should carry it out.
A. Once B. Until C. For D. While
I am determined to solve this problem even if it means ____ to New York by myself without any help.
A. travelling B. to travel
C. travel D. to be traveling
This was a time _________ the two countries were at war.
A. where B. which C. when D. that
---Don’t worry, Jim. I can lend you the money.
---Thank you very much, Bob. You are always so __________.
A. mean B. generous C. peaceful D. active
