单项选择提升训练
( )1. Amy was reading a book _____ I came in.
A. when B. While C. because D. though
( )2. A: ________ does he go to visit his Uncle?
B: Three or four times a year.
A.How long B. How often C. How soon D. When
( )3. A boy _______ a tree and hurt his leg.
A. felt from B. fell over C. felt over D. fell from
( )4.They _______ Shanghai on a cold morning last week.
A. arrived at B. got C. reached to D. arrived in
( )5.The number of victims ___________ three in this car accident.
A.is B. are C. has D. have
答案：15 ABDDA