Father ____ for London on business upon my arrival, so I didn’t see him.
#100323
A
has left
B
left
C
was leaving
D
had left
推荐题目
Many tall buildings _______ in Shanghai in the past few years.
#101297
A
has been built
B
have built
C
were built
D
have been built
The number of the people who own cars ______since 1990.
#101739
A
is increased
B
are increased
C
have been increasing
D
has been increasing