Bob’s lectures covered a fairly wide range and I can’t sum up what he says in a few sentences.  
#72360
A
covered
B
conveyed
C
considered
D
commanded
推荐题目
 Mary devoted her life       the sick.
#68321
A
to care for
B
caring for
C
to caring for
D
to have cared for
Although all of the apples ________, none of them ________ good.
#70599
A
have been tasted; taste
B
have been tasted; are tasted
C
have tasted; taste
D
have tasted; are tasted