AIDS is dangerous. .... has not been able to be cured up to the present time.
A.They
B.It
C.Themselves
D.Its

Several animals are in danger of extinction. We should find ways to protect....
A.us
B.them
C.ourselves
D.themselves

I think your son is old enough to go to school by.... .
A.he
B.his
C.him
D.himself

He bought that car 5 years ago, but.... still looks new.
A.it
B.itself
C.he
D.himself

Daisy is independent. She likes doing things on.... own.
A.she
B.her
C.herself
D.hers

When I (see) _________ Dave, he (work)__________.
A.saw – worked
B.was seeing – worked
C.was seeing – was working
D.saw – was working

You (have) __________ a good time at the party, didn’t you?
A.had
B.was having
C.having
D.were having

When you (get) _________ up yesterday morning?
A.did you get
B.were you getting
C.you got
D.do you get

While I (drive) ………... to work, I (see) ……… an accident.
A.was driving – was seeing
B.drove – saw
C.drove – was seeing
D.was driving - saw

We (have) …………. a picnic when it (begin) …………… to rain.
A.had – began
B.were having – began
C.were having – was beginning
D.had – was beginning