----Why is he feeling down today? ----Because the suggestion he _______ has been turned down.
—Where is he exactly?—I don’t know, but I saw him _______ an experiment in the lab when I passed by.
The tourism of my hometown _______ a rapid growth over the last decade. Now it’s the 2nd most visited place in our city.
To his mind, the collaborative development of Beijing, Tianjin and Hebei province is to solve the problems _____ Beijing faces, such as overpopulation, traffic jams, and etc.
The houses for the low-income families _______ at present in our city will be completed next year.
He spared no efforts to make himself _______ but failed.