Not until he retired from teaching three years ago ________having a holiday abroad.(2012·辽宁,32)
#79680
A
he had considered
B
had he considered
C
he considered
D
did he consider
推荐题目
—— My mother does a lot of housework before going to work,but she has never been late. —— _____. 
#83912
A
So does my mother
B
Neither does my mother
C
Nor has my mother
D
So it is with my mother
The experiment shows that proper amounts of exercise ,if _______regularly, can improve our health.
#82286
A
being carried out
B
carrying out
C
carried out
D
to carry out
—Why do you want the book so much?   —_______, sir. 
#84610
A
Studying
B
Studies
C
Studied
D
To study
 No, I’m too busy right now. Please give me an hour, _____?
#79544
A
do you
B
don’t you
C
am I
D
OK