My father ________ friends here.

The historical site opened as a public park three years ago and now it attracts a(n) ________ stream of visitors every day.

The accident happened _____the old man _____ a cold morning .

Schools across China are expected to hire 50,000 college graduates this year as short-term teachers, almostthree times the number hired last year, _____reduce unemployment pressures. [ ]

He promised that he would work well, and he didn’t________.[ ]