Unfortunately, when I dropped in, Dr. Green ______, so we only had time for a few words.
#100866
A
just left
B
has just left
C
had just left
D
was just leaving
推荐题目
_____people who learn Engiish as a foreign language ________more than 750 million.
#99520
A
A number of... reach
B
The number of...come to
C
The number of... reaches
D
A number of...comes to
It is five years since my dear aunt _______ here.
#104190
A
left
B
has left
C
is left
D
had left
—Alice, why aren’t you at work today?—I       a day off.
#102771
A
have given
B
have been given
C
gave
D
was given
 Class is beginning. Will you please get the blackboard      .
#103250
A
to clean
B
cleaning
C
cleaned
D
having cleaned