Mr. Wang has taught in our school _______ he came to Hainan.A. when B. for C. since
Let’s go for a picnic ___________ Sunday morning.A. in B. on C. at
The girl is too young to __________ herself.A. look for B. look at C. care for
Flowers _________ along the road last year.A. planted B. are planted C. were planted
This second-hand computer is much ________ than that new one.A. cheap B. cheaper C. cheapest
— Finish your homework, ______ you can’t watch TV, Jack.— All right, Mum.A. or B. but C. and