国家开放大学(商务英语3)单项选择题每日一练(2018.10.12)

单项选择题
（）a vacation is always a good way to get relaxation and refreshment.
A.Take
B.Took
C.Taking
单项选择题
The following hints may help you stay energized， or at least（） until you can make the time for rest.
A.get you going
B.get you go
C.get you went
单项选择题
The price of commodities （）on many factors like quality， demand， supply， etc.
A.is basing
B.has based
C.is based
单项选择题
Junior Achievement has（） different stages in its development.
A.gone through
B.got through
C.got over
单项选择题
After having seen the（） and samples， Jenny makes the specific inquiry.
A.category
B.catalogue
C.calculation