Working hard is not a __________ of great success, but it is among the essential requirements.
A. sign B. signal
C. guarantee D. mark
It was only after a family related conversation ______________ I found out she was actually my distant cousin.
A. when B. that
C. which D. who
She did not feel a bit nervous though it was the first time she ___________ in public.
A. spoke B. have spoken
C. had spoken D. were speaking
Father made a promise______________ I did well in the entrance exam, he would take me to Hong Kong in the summer vacation.
A. if that B. if
C. that if D. that
Although he did not do it___________, he definitely had some responsibility.
A. instantly B. deliberately
C. accidentally D. casually
______________ to the party, Nancy was very upset.
A. Having not been invited B. Not having invited
C. Having not invited D. Not having been invited
