After Jack had sent some e-mails, he _______ working on his project.
#102159
A
had started
B
has started
C
started
D
starts
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The hospital _________ well, where many wounded ________every day.
#102221
A
is operated; operation
B
operates; are operated on
C
operates; are operated
D
operates; operates on
Joe, along with her three sisters, _______great interest in writing these days.
#102365
A
was showing
B
were showing
C
is showing
D
are showing
----How long      in hospital? ----One more week at most. He is quickly recovering.
#101631
A
does your father stay
B
has your father stayed
C
is your father staying
D
did your father stay