Mary isn’t ________ a book.  She is ________ TV. 
#42456
A
seeing, seeing
B
watching, looking
C
reading, watching
D
looking at, watching
推荐题目
The train _______. Please get ready to get off.
#42532
A
arrives
B
arrived
C
is arriving
D
to arrive
These young trees must ______.
#41993
A
look after well
B
be look after well
C
be looked well
D
be looked after well