Question

【題目】Our teacher ____ in our school for 20 years and he ____ here when he was 25 years old.

A. taught, comes B. taught, came

C. has taught, came D. has taught, has come

Answer 1

【答案】C

【解析】

試題分析：句意：我們的老師在我們學(xué)校已經(jīng)教學(xué)有20年的時(shí)間了，當(dāng)他25歲的時(shí)候他就來(lái)這了。第一個(gè)空是現(xiàn)在完成時(shí)，其結(jié)構(gòu)是have done的形式第二個(gè)空是when引導(dǎo)的時(shí)間狀語(yǔ)從句，時(shí)態(tài)保持一致，用一般過(guò)去時(shí)態(tài)。根據(jù)題意，故選C。