Are you _______ in cash or by credit card?
A. paying
B. paid
C. having paid
D. to pay
Đáp án: A
Giải thích: Be +Ving
Dịch: Ngài sẽ trả bằng tiền mặt hay thẻ tín dụng ạ?
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.