The inefficient company was ____ to competition.
A. vulnerable
B. valuable
C. variable
D. voluntary
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When drawing up a contract, we should ____ the safety measures.
A. build in
B. draw in
C. run in
D. go in
Students are required to write an essay according to the ____ showing the changes in the people’s diet.
A. picture
B. album
C. dial
D. chart
In Shanghai, a large number of old buildings have been pulled down so that new blocks will be ____.
A. put up with
B. put aside
C. put up
D. put forward
I often look back ____ my stay in England as a happy period in my life.
A. on
B. for
C. into
D. with