A study has found that 80% of the people who ______ to be constantly distracted ______ more “working memory”.
#85915
A
appears; have
B
appear; has
C
appears; has
D
appear; have
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In view of the global financial crisis, every possible means ________ to stimulate the economic development in China.
#85570
A
have tried
B
have been tried
C
has tried
D
has been tried
The number of people invited ____ fifty, but a number of them ____ absent for different reasons.
#85764
A
were , was
B
was , was
C
was , were
D
were , were
_____ has been introduced to the students to help them make progress.
#85649
A
Many books as well as advice
B
Some advice as well as many books
C
Not only some advice but also many books
D
Some advice and many books