Good technique in medicine means less pain and fewer deaths; __________, it is our duty to master it.
A. thus B. therefore C. otherwise D. however
The law of Venice says if anyone tries to kill or murder any citizen of Venice, everything that he owns ________ be taken away from him.
A. shall B. can C. must D. may
You’d better carry a(n) ________ tyre in the back of your car in case it breaks down on the way.
A. extra B. free C. convenient D. spare
Is this a book on farming? If so, I want to borrow __________.
A. this B. one C. it D. the one
Instead, it seems that creative thinking is a (n) _________ of habits.
A. affair B. business C. matter D. problem
From this day_________，I will be more careful when crossing the street.
A. onwards B. backwards C. afterwards D. forwards
