She ____ the house the whole morning but it seems to be at least an hour before she finishes it.
#102096
A
has been cleaning
B
cleaned
C
had cleaned
D
has cleaned
推荐题目
---John, why are you so upset? ---I my cell phone all morning but it is nowhere to be found.
#101303
A
am looking for
B
have looked for
C
have been looking for
D
had looked for
—You seem to be familiar with New York. —I _______ there for three years. It’s great to be back.
#99770
A
live
B
had lived
C
have lived
D
lived
— Isn’t it hard to drive downtown to work? —Yeah, that’s why I ______ to work by train.
#101418
A
have gone
B
have been going
C
was going
D
will have gone
To our delight, up till now, the European Union, Japan, and Russia ________ their targets for CO2 emissions (排放).
#103852
A
give
B
have given
C
give
D
gave