-- I have got a headache. -- No wonder. You_________ on the math exercises too long.
#63776
A
work
B
are working
C
have been working
D
worked
推荐题目
Have you really realized the part computer has________ in the daily life?
#63751
A
made
B
given
C
caused
D
played
My study of biology has ______ much of my spare time, but it has given me a great deal of enjoyment.
#63787
A
taken off
B
taken down
C
taken up
D
taken away
The wide popularity of the Korean music Gangnam Style has _________ heated discussions about people’s tastes nowadays.
#63749
A
set about
B
set aside
C
set off
D
set down
I got caught in the rain and my suit _______.
#63795
A
has ruined
B
had ruined
C
has been ruined
D
had been ruined
--- I am surprised to hear that Sue and Paul have ______.---- So am I. They seemed very happy together when I last saw them.
#63777
A
broken up
B
brought up
C
turned up
D
picked up