What he has learned through practice before _____ him a lot in his future work. 
#81676
A
helping
B
helped
C
it helps
D
will help
推荐题目
Not all ads are used to promote a product or to increase a company’s profits. Which is the following statement correct?
#71924
A
All the ads are used to promote a product or to increase a company’s profits.
B
Neither of ads are used to promote a product or to increase a company’s profits.
C
Some of ads are used to promote a product or to increase a company’s profits.
D
None of ads are used to promote a product or to increase a company’s profits.