Do you think ______ amazing for Stephen Hawking to achieve so much as a disabled man?A. this B. that C. it
The population of Tianjin is ______ than that of Shanghai.
_______ people we help,______ we feel.
The accident happened _____ a cold winter morning.
You’d better _______ up late.
----When shall we start? ----Let’s ______ it 8:30.Is that all right?