I am tired. I ______ all day.
#104217
A
am working
B
have been working
C
worked
D
have been worked
推荐题目
The houses . They will be finished next year.
#102266
A
are built
B
have been built
C
are being built
D
were built
All the task __________ ahead of time, so they decided to go on holiday for a week.
#102577
A
having finished
B
had finished
C
having been finished
D
had been finished
The three of us ______ around Europe for about a month last summer.
#100663
A
traveled
B
have traveled
C
had traveled
D
travel
—Tony, come down and help me with the heavy box! — Come on! I _______ all day long．Get Peter to do that!
#101754
A
work
B
had been working
C
had worked
D
have been working
We'd better take umbrellas—I'm sure it____when we arrive in London; it's always wet there at this time of year．
#100548
A
will rain
B
is raining
C
will be raining
D
would rain