Question

My uncle ________ a worker, but now he _______in an office.

A．is, was	B．used to, is working
C．use to be, works	D．used to be, works

Answer 1

D

解析試題分析：句意：我的叔叔過去是個工人，但是現(xiàn)在他在一個辦公室工作。be used to doing sth 習慣于做……，used to do sth,過去常常做某事。now現(xiàn)在進行時態(tài)的標志，故選D。
考點：考查動詞的時態(tài)的用法。