Do you know the boy over there?
The one is holding a ball? Oh, that's my neighbor Phil.( )
what
which
who
不填
As students,we must study hard.______,we should care for our health.( )
At the same time
On the one hand
All in all
In the end
Fred hopes ______ his spoken English,so he practices it every day.( )
improve
improves
improving
to improve
Is the woman Miss Zhao?
It ______ be her.She has gone to Qingdao for a meeting.( )
can't
needn't
must
may
New energy cars have been ______ to cut down air pollution.( )
discovered
found
invented
refused
He tried many ways to solve the problem.But ______ of them worked.( )
neither
none
all
both