All goods must be paid for before (deliver) .
举一反三
- You must ________ before you deliver a speech.
- Tariff is an amount that must be paid when particular goods are imported into a country.
- 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
- For goods requiring statutory inspection, the inspection procedure must be completed before customs clearance
- You must ____ all the aspects ____ before you make a decision.