I thought Nelson Mandela must be a kind and honest man_______ I saw his picture. A where B whether C the first time D for the first time
Jack had traveled six miles across the Channel _____his engine failed and was forced to land on the sea .
—When did he leave the classroom?—He left _____you turned back to write on the blackboard.
____he thought he was helping us with the work, he was actually in the way.
Hearing his words ,I couldn’t decide _____or remain .
Questions and exercises are given by the computer, which decides ______ to move the students ahead, review an easier level, ____ give more work on the same level.