—How did she get infected? —She ____ the viruses without any protection.
#101750
A
exposed to
B
had exposed to
C
was exposed to
D
has exposed to
推荐题目
— I will come to attend your lecture at 10:00 tomorrow. — I’m sorry, by then my lecture will have ended and I _____ in my office.
#99619
A
am working
B
will work
C
will be working
D
will have worked
It is getting colder. I hope the sudden change of climate _____ you.
#100467
A
don’t upset
B
didn’t upset
C
hasn’t upset
D
won’t upset
China ______ a lot of people moving to urban areas in the last 20 years. However, many migrants left their families behind.
#100122
A
saw
B
sees
C
has seen
D
had seen
It was the first time that Tim ______ a lie. He was scared.
#101907
A
told
B
was telling
C
would tell
D
had told
His mother looked very tired，for she _____ the house herself all day.
#102009
A
had cleaned
B
has been cleaning
C
had been cleaning
D
has cleaned