Professor Smith, along with his assistants, _________on the project day and night to meet the deadline.
#102351
A
work
B
working
C
is working
D
are working
推荐题目
I guess you were in a hurry. Look! You are wearing your sweater inside out.
#102622
A
hadworn
B
wore
C
arewearing
D
werewearing
My parents have promised to come to see me before I _______ for Africa.
#104944
A
have left
B
leave
C
left
D
will leave
(2013·山东，27)—Oh no! We're too late.The train________.— That's OK.We'll catch the next train to London.
#99732
A
was leaving
B
had left
C
has left
D
has been leaving
Ten years later, the prisoner of war ___ free and regained his ___.
#102717
A
was set, freedom
B
was set, free
C
was set, freely
D
set, freedom
＿＿many times, he still didn’t make sense of it.
#101521
A
Having been told
B
Then he was told
C
Being told
D
He was told