选择题
一、单项选择
1.May Day holiday is _______ time for leisure.But making good use of ______ time is not an easy task for most people.
A.the; the B.不填; a C.the; a D.a; the
2.When _______ comes to the super star, all the students in class will pick themselves up at once.
A.that B.this C.it D.one
3.He was excitedly surfing on line ________his friends called him to play football.
A.as B.while C.when D.then
4.— Can you tell me why all the jackets and shoes are sold at half price here?
— As far as I know, this store _______.
A.has closed down B.is closing down
C.closed down D.had closed down