问题

So difficult ______ it to live in an English-speaking country that I determined to learn English well[ ]

A: I have felt
B: have I felt
C: I did feel
D: did I feel

正确答案是：

同类题型

Shall I help you with the washing up—．I’ll do it later．

“No student,” the headteacher stressed, “_______ go out of the school after ten o’clock at night without my permission.”

He wasn’t _____ to understand the questions.

He the job well, but heso careless.

How does John get to school– He______ his bike to the subway station, then he ______ the subway.