It is a great concern that the school is now ____ for experienced teachers.

She put some soil in the box, then sowed the seeds carefully, and covered it with more soil. _______ she kept the box in the shade.

If what your friend comes up with surprise you, don’t reject it immediately. _____, imagine that it is true.

He had planned to make a compromise，but        he changed his mind at the last minute．

Although the new road is being used, it has not yet been _______opened.