He feels that his health ____ owing to ____ a long walk every other day. 
#104858
A
is improving; taking
B
has been improved; being taken
C
improved; taken
D
is improving; have taken
推荐题目
Tommy was planning to buy a car the next week,______ he ______ enough for a used one.
#101599
A
by that time; had saved
B
by which time; had saved
C
by that time; saved
D
by which time; has saved
I first met your sister ten years ago, when she ____at a supermarket as a salesgirl. 
#102409
A
has worked
B
had worked
C
was working
D
had been working
Hey, John! I _____ that you were invited to this party too.
#99875
A
didn’t know
B
I don’t know
C
wasn’t knowing
D
isn’t working
— What’s that terrible noise ?— The neighbors _____ for a party. 
#105005
A
have prepared
B
are preparing
C
prepare
D
will prepare