In dealing with public relations, we should make every effort to prevent the _____ in personality.
A. contact B. contrast C. conflict D. connection
—It rained cats and dogs this morning. I'm glad we took an umbrella.
—Yeah, we would have got wet all over if we ________.
A．hadn't B．haven't C．didn't D．don't
—Your colleague is speaking English with fluency.
—It's no wonder．She ____ in the UK for a year as a visiting professor
A. worked B. has worked
C. had worked D. has been working
The government must be very _____ about setting policies and make no decision until they are quite sure it is the right one.
A. particular B. concerned C. cautious D. certain
She says that she'll have to close the shop ________ business improves.
A. if B. unless C. after D. when
While ______ himself in the newspaper in a cafe , he got his pocket picked.
A．having buried B．buried
C．burying D．to be buried
