一、单项选择（15分）
（ ）1. — Do you know ________ boy under the tree ?
— He is Jack . He wears ________ unusual sweater today .
A. a ; an B. the ; an C. the ; a D. a ; the
( ) 2. We’ll never forget what he did ________ the afternoon of February 10th, 2012.
A. in B. by C. on D. at
( )3. John is much shorter than his sister , but he jumps _____she does
A. as good as B. as best as C. as high as D. as higher as
（ ）4.want to _________ who broke the window .
A.find out B. watch C. looked at D. find
( ) 5. This is the school _______I studied five years ago
A. where B. when C. that D. which
