He had been a junior clerk for three years before he was promoted to senior clerk.
举一反三
- 他被提升为高级职员之前,做了三年低级职员。He had been a_______ clerk for three years before he was promoted to senior clerk.
- He ___ in the factory for three years before he joined the Army.
- Mr. Smith had an unusual ____: he was first anoffice clerk, then a sailor, and ended up as a school teacher.
- Even though Tom _________ Chinese for three years before he came to China, it is still difficult for him to express himself. A: studies B: has studied C: had been studying D: was studied
- He ______ to play ______ before he was 11 years old. A: had learned, piano B: had learned, the piano C: was learning, the piano