—Clare, can you smell something（）
—Oh, My God! It must be the rice.

单项选择题I greatly appreciate（）the opportunity to study abroad two years ago.

A．giving
B．have been given
C．give
D．having been given

单项选择题Kate wondered what the result was, but I refused to tell her until she（）the novel.

A．finishes
B．have finished
C．had finished
D．finished