We _______ to have agreed without knowing what it would cost.
A. shouldn’t
B. couldn’t
C. didn’t
D. oughtn't
Đáp án: D
She gave him a _______ look. “Are you really sure?” she demanded.
The company needs to reduce its _______ on just one particular product.
We saw a quick film showing the various stages in the _______ of glass.
Choose the best answer A, B, C or D for each sentence
We're reading a _______ book this week.
The doctors are doing all that they _______, but she's still not breathing properly.
If the product doesn't work, you are given the _______ of a refund or a replacement.
He would never do anything to _______ the lives of his children.