.--- What do you think of them?---I like the first girl ______wears a blue skirt. She did ______of all.A. which, well B. who, better C. that, best
—He’s never heard to sing a pop song so loudly, ______ he? —______. He is so shy.
We believe scientists will ______ a way to solve the problem of air pollution.
The window was broken. Try to ______ who has broken it.
—Did you take ______ one-day trip to the West Hill last Sunday? —Yes. It was fantastic! It’s _______ most delightful trip I’ve ever had.
—Can you tell me ______? —He is outgoing and friendly.