Taxes _________________ on or before April 15th. Payments __________________ to the government on or before April 15th.
A: have to pay; must have been sent
B: have to be paid; must be sent
A: have to pay; must have been sent
B: have to be paid; must be sent
举一反三
- "Have you paid your telephone bill?""No, but I________yesterday." A: ought to pay it B: ought to have paid it C: must pay it D: must have paid it
- The construction of the laboratory ______ before the end of next month. A: must complete B: must be completed C: must have completed D: must have been completed
- I ____ him the Christmas gift by mail because he came home during the Christmas holidays. A: ought to have sent B: couldn’t have sent C: must have sent D: needn’t have sent
- I _______ him the Christmas gift by mail because he came home during the Christmas holidays. A: ought to have sent B: couldn’t have sent C: must have sent D: needn’t have sent
- I ____ him the Christmas gift by mail because he came home during the Christmas holidays. A: ;ought to have sent B: ;couldn’t have sent C: ;must have sent D: needn’t have sent