Shall we take the 10:20 train?— No. If we took that train, we _____too late. [ ]

There’s something wrong with one of her eyes, but her _______ eye is OK.

The story is not easy for students to understand. —I agree with you, ________ it’s not very long.

He worked hard, ______ he passed the exam

The poor motherwhen she heard the news that her only son had been killed by the enemies