In my opinion, all Mr. Li ______ good to his students in his class at present. He is very strict with them in their studies.
What is it _____ his daughter needs most?
Who was it _____ saved the drowning girl?
“How was ______ they discovered the entrance to the underground palace?” “Totally by chance.”
____ that caused him to serve dinner an hour later than usual.
. When they went into the shop and asked to look at the engagement rings, the girl brought out a cheaper one, _______ she had arranged with James.