—How long do you think it is ________ he arrived here? —No more than half a year, I believe.
#104908
A
when
B
that
C
before
D
since
推荐题目
Cathy is taking notes of the grammatical rules in class at Sunshine School, where she ______ English for a year.
#102013
A
studies
B
studied
C
is studying
D
has been studying
He said that his friend ________there three days before, but she was not there_______.
#103216
A
had been; now
B
has been; then
C
had been; then
D
was; now
---The window is dirty.----I know. It ______ for weeks.
#101155
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned