－Have you known Dr Jackson for a long time?－Yes，since she the Chinese Society．
#102003
A
has joined
B
joins
C
had joined
D
joined
推荐题目
In 89 BC, Pompeii became a rich and busy city and near the city ____ a volcano.
#102204
A
be
B
being
C
had
D
Was
.Despite UNICEF’s efforts, dirty water ______ for disease spreading in southern Iraq at the very moment.
#103783
A
is to be blamed
B
is being blamed
C
has been blamed
D
was blamed
—I say, Harry. What did you say to the laid-off worker just now? —Nothing. I to myself.
#102852
A
had only talked
B
am only talking
C
have just talked
D
was just talking
I could have offered you some help last weekend, but I _______ with my work at that time.
#100642
A
would be occupied
B
was occupying
C
had been occupied
D
was occupied
— I’m really glad to see you back.. ______ your trip to the valley interesting?— No. it ______ very heavily there the whole time.
#102537
A
Was; was raining
B
Is; had rained
C
Was; was to rain
D
Is; has been raining