All products have to pass ______ inspection before they go out.
A: strict
B: flexible
C: casual
D: unnecessary
A: strict
B: flexible
C: casual
D: unnecessary
举一反三
- All products have to pass strict inspection ( )they go out. A: after B: B. since C: as D: D. before
- The products have been ________ to strict tests before leaving the factory.
- Our products _____________ by the time you arrive. A: will have been sold out B: will have sell out C: will sold out. D: will be sell out
- All the bikes ________ before I came to the store. A: have sold out B: were sold out C: had been sold out D: have been sold out
- _____ his father came out of prison _____ Dickens have chance to go to school. A: Not before; had B: Only before; would have C: It was until; had D: Not until; did