The delivery of the goods was _____ because of the snow storm.(201506)
A. worked out
B. put off
C. turned on
D. taken in
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When _____, the project will help to greatly improve the environment in the community.(201506)
A. finished
B. to finish
C. finishing
D. finish
The task will not be fulfilled _____ we get help from other departments.(201506)
A. if
B. unless
C. since
D. when
Vitamin B enables the body to _____ full use of the food taken in.(201506)
A. make
B. reach
C. put
D. bring
These construction workers are required to participate _____ the safety training program.(201506)
A. at
B. with
C. in
D. to