_____to reach them on the phone, we sent an email instead.
#92184
A
Fail
B
Failed
C
To fail
D
Having failed
推荐题目
.Please make my excuse at tomorrow's meeting. I've got too much work _____.
#98157
A
to do to come
B
doing coming
C
to do coming
D
doing to come
________ the whole school a safer and more pleasant place is an important part of school development.
#93105
A
Makes
B
Made
C
Make
D
Making
This is the best way I could think of ______________ into the dangerous area.
#96249
A
topped people getting
B
o protect people from getting
C
o prevent people getting
D
eeping people from getting
Though I have often heard this song ______, I have never heard you ______ it.
#93922
A
being sung; sang
B
sang; singing
C
sung; sing
D
to be sung; to sing