Through years of hard work, Mrs. Smith, who ____ as a secretary for five years, is general manager of the company now.
#100043
A
serves
B
served
C
has served
D
had served
推荐题目
-Car 17 won the race.- Yes ,but its driver came close to ________.
#103767
A
having been killed
B
have been killed
C
be killed
D
being killed
In the past several weeks, many cities in Northern China from heavy fogs and severe cold.
#99857
A
had suffered
B
have been suffering
C
were suffered
D
suffered
Although human evolution has _______ in the past 10,000 years, we are changing our environment faster still.
#99217
A
linked up
B
loaded up
C
sped up
D
split up
Many British people have noticed that butterflies _______ from its natural habitats during the past several years.
#102940
A
are disappearing
B
have been disappeared
C
have been disappearing
D
will have disappeared
—Have you ____ been to our town before?—No, it’s the first time I ___ here.
#104298
A
even, come
B
even, have come
C
ever, come
D
ever, have come