问题

Where have you been recently? —I ________ in Hangzhou on business for a week last month

A:have been
B:was
C:had been
D:had gone

正确答案是：

同类题型

olving the problem a second time, you’d betterbe more careful ________ you made a mistake

“Alice gave her teachers some flowers this morning” is _________.

下列各组词语中，加点字的读音全都正确的一组是（）

Studies show that people are moreto suffer from back problemsif they always sit before computer screens for long hours

Two notebooks _____ in the classroom. Are they _____