Ⅰ 单项选择(15分)
( ) 1. The teacher finds teaching little Tom ______ because he is too young.
A. frustrating B. frustrated C. frustrate D. to frustrate
( ) 2. He has lots of friends but he still feels ____.
A .alo ne B. lonely C. along D. long
( ) 3. Have you got any trouble _____ this _______ practice?
A. to do, listening B. doing, listening
C. doing, listen D. do, listen
( ) 4. the old man in this factory when he was young ?
A. Did, used to work B. Does. Used to working
C. Did, use to work D. Do, used to work
