He _________ in American for five years, and now he works in Shanghai.
#102614
A
have worked
B
worked
C
had worked
D
have been working
推荐题目
With the country’s population reaching 1.6 billion in the mid of this century, most of China’s rivers, including the Yellow River, ________.
#102803
A
is drying up
B
will be drying up
C
dry up
D
have dried up
— Have you graduated from collage?— Yes, ________.
#101444
A
I studied French for two years.
B
I have been studying French.
C
I have studied French for two years.
D
I had studied French for two years.
This ______ my first lime standing in front of so many people, I can’t help sweating．
#102574
A
being
B
is
C
was
D
has been
Jim a skilled worker for almost six years. He is an experienced manager now.
#100435
A
has been
B
had been
C
is
D
was