Knowing how long the test would last, the students who finished ________ back and waited until the end of the exam.
22. We will never forget this historical lesson written _____ blood.
21. He is very strict with others, but he is always blind _____ his own shortcomings.
20. The horse is blind _____ the left eye.
1.—When can we come to visit you? —Anytime you feel like .
2. ______was known to them all that William had broken his promise______ he would give each of them a gift.