I have been living in the United States for twenty years,but seldom _______ so lonely as now.
#83839
A
have I felt
B
I had felt
C
I have felt
D
had I felt
推荐题目
It was not until 1978_____ set free from the prison.
#80908
A
that the old professor was
B
did the old professor
C
was the old professor
D
that was the old professor
 ---What are you busy doing these days?---____ the college entrance examination.
#80959
A
Preparing for
B
To prepare for
C
To be preparing for
D
Prepared for
The room, although_________ to be kept locked, was often left open.
#80986
A
supposing
B
supposed
C
to be supposed
D
having supposed