【单选题】
____ it is you found, you must give it back to the person it belongs to.
①
That
②
Because
③
Whatever
④
However
【单选题】
They found that upon stimulating these points, cascade of ( )changes occur in the body.
①
active
②
passive
③
negative
④
positive
【单选题】
If we say some food is ____, we mean it is safe to eat.
①
ideal
②
editable
③
ideate
④
edible
【单选题】
____ to speak when the audience interrupted him.
①
Hardly had he begun
②
No sooner had he begun
③
Not until began
④
Scarcely did he begin
【单选题】
A nice dictionary_________ to him yesterday.
①
gave
②
has been given
③
was given
④
was giving