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
The manager urged older staff ________early retirement and new staff _______ more time for work.
#69885
A
take up; to set aside
B
took up; set aside
C
would take up; to lay aside
D
must take up; lay aside
 It is ten years since we ________ each other last time.  
#74976
A
see
B
have seen
C
saw
D
had seen