----- Hi, Tracy, you look tired. ------ I ________ the living room for three hours.
#101812
A
painted
B
had painted
C
was painting
D
have been painting
推荐题目
—Bob, you______ on the phone.   —______. 
#104322
A
areneeded;I'mcoming
B
arewanted;Coming
C
arecalled;I'llcome
D
arerungup;Thanks
It is the first time that Michel _______ the Summer Palace.
#99257
A
is visiting
B
visits
C
has visited
D
will visit