How was his explanation at the court— So convincing ______ that I entirely approved of it.

Don’t try to _______ anything from me， Bob!–I know nothing about it， Mom. I was doing the homework in my room then.

How long do you suppose it is ___________ he arrivedthere

This is a very special flower and it can ________astrong sweet perfume at night.

Hangzhou is _________ to hundreds of foreign friendswho are working and studying here.