– Why you didn’t handed in your exercise paper?–Sorry, but I ____ that it should be turned in today.
#100688
A
didn’t know
B
hadn’t known
C
haven’t known
D
don’t know
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It is already 6:00. Don’t turn on the computer. Father is _____ to come back at any moment.
#103493
A
requested
B
expected
C
required
D
suggested
. Since last year, the global economic slowdown ________ in many countries. It is expected that the world economy will not recover until the end of 2010.
#103797
A
is spreading
B
spread
C
had spread
D
has been spreading
Selecting a mobile phone for personal use is not an easy task because technology ________ so rapidly.
#99746
A
is changing
B
has changed
C
will have changed
D
will change
I my history this time yesterday. Now I all my work for today.
#104523
A
reviewed; had done
B
was reviewing; had done
C
was reviewing; have done
D
reviewed; have done
A new study finds that sitting can shorten a person’s life almost as much as smoking can, which _______ just how damaging inactivity can be.
#99878
A
estimates
B
highlights
C
dominates
D
ensures