-Are your shoes expensive? -No,I only __ five dollars for them.
A. used B. cost C. spent D. paid
He is afraid of ___________ strangers.
A. see B. seeing C. saw D. seen
— Only a small number of students _______ able to pass the exam.
— Yes. The number ________ no more than 20.
A. is; is B. are; is C. is; are D. are; are
---- This place used to be full of trees， ___ it?
---- Yes. But now it has turned into buildings.
A. did B. didn’t C. was D. wasn’t
He used to __ in a small village, but now he has been used to ___ in the big city.
A. live; living B. live; live C. living;living D. living; live
Her son _____ Coke, but now he _____ milk.
A. used to drink; is used to drinking
B. used to drinking ; drinks
C. is used to drinking; used to drink
D. is used to drink; is drinking
