It is often said that ____teachers lead _______very busy life. A /, / B. /, a C. the, / D. the, a
People in Sichuan Province are determined to rebuild ______ was destroyed in the earthquake.
It ______ a Saturday afternoon in May ______ Margaret could arrange for me to meet her elder sister.
The traffic problems we are looking forward to seeing ______ have attracted the government's attention.
—Who ______ it be that hasn't handed in his homework? —It ______ be Bob. He handed it in yesterday.
Only those who have experienced hardship ______ well aware of what happiness means.