You should make ______ a rule to leave things______ you can find them easily.
A. it; where B. it; then C. that; there D. this; when
Many people say______ is shown on television.
A. too much violence B. much too violence
C. too many violences D. quite a few violences
-----Is this the first time you______ Chengdu?
-----No. But the first time I______ here, the city wasn’t so beautiful
A. visited; came B. visited; have come
C. have visited ; have come D. have visited; came
Has the doctor _______ called for?
A. referred to being B. referred to been
C. referring to being D. referred to be
Mr Smith has a lot of business______. I know by______ that this man cannot be trusted.
A. experience; experience B. experiences; experience
C. experience; experiences D. experiences; experiences
We _______ on this project for four hours. Let’s have a rest.
A. are working B. have been working
C. worked D. had worked
