Come on! _____ we hurry, we'll miss the plane!
A. if
B. unless
C. in case
D. supposed
Đáp án: B
Giải thích: unless = if...not: trừ phi
Dịch: Nhanh nào, nếu chúng ta không nhanh lên, chúng ta sẽ lỡ chuyến bay mất.
Choose the letter A, B, C or D to complete the sentences
My teacher _______ while he _______ a car.
The company needs to reduce its _______ on just one particular product.
_________ the youth to help the handicapped and elderly is vital.
My tutor couldn’t arrive on time because she had a ________ tire.