David didn’t give up ______ he had failed in the experiment four times.
A. if B. while C. though D. since
һLook! That teacher is explaining something to her students again and again!
һ_______teacher she is!
A. How patient B. What patient C. How a patient D. What a patient
Lucy liked all the dresses there，but she took the ______one to save as much money as possible for Project Hope.
A. cheaper B. more expensive C. cheapest D. most expensive
The woman always says a bad word about others. her workmates her child dislikes to make friends with her.
A. Either; or B. Neither; nor C. Both; and D. Not only; but also
The little girl preferred hours solving the problem to others’ answer.
A. to spend; copying B. spending; copying
C. spending; copy D. to spend; copy
The old lady is seriously ill we can’t tell her about the death of his son.
A. very; that B. too; to C. so; that D. such; that
