--How did she get infected? --She ________the virus without any protection.
#100265
A
exposed to
B
had been exposed to
C
had exposed to
D
was exposed to
推荐题目
—Where is Tom ?—Well , he __________ you __________ here. Otherwise he would come down right now.
#104290
A
didn’t know ; were
B
hasn’t known ; are
C
doesn’t know ; are
D
hadn’t known ; were
My oil ________.I have to go to the gas station and add some before I’ve none in hand.
#102558
A
has run out
B
has been run out
C
is running out
D
is being running out
 Quantities of precious jewelry_____ buried_____ in the earth. 
#101917
A
was found; deeply
B
were found; deeply
C
was found; deep
D
were found; deep