-I haven't heard from Henry for a long time. -What do you think ________ to him? 
#104036
A
happening
B
to happen
C
has happened
D
had happened
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The task _______ by the time you come back.
#102593
A
has been completed
B
will have been completed
C
will complete
D
has completed
--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
Normally you could stay with us, but our house ______ at the moment.
#101537
A
is decorated
B
was decorated
C
is being decorated
D
was being decorated