—Where is Mother?—She is in the kitchen. She ______the housework all morning.
#99274
A
does
B
has been doing
C
has done
D
was doing
推荐题目
The palace caught fires three times in the last century,and little of the original building now.
#102970
A
remains
B
is remained
C
is remaining
D
has been remained
Usually John __ to school in his father’s beautiful car.
#103376
A
has taken
B
is taking
C
is taken
D
has been taken
Flight 3010______,I must be off now or I’ll be late.
#103587
A
to announce
B
is announced
C
is being announced
D
announced
A killer whale at Sea World Orlando jumped out of its tank on Wednesday and fatally attacked a worker as horrified visitors _______.
#104053
A
has been looking up
B
looked on
C
had looked off
D
was looking in
----Did you see a child dressed in red pass by?----Sorry, I _____ the poster on the board without noticing anyone.
#100752
A
have read
B
had read
C
am reading
D
was reading