—Why didn’t you go to play football with us yesterday afternoon? —I _____my mother with the housework then.
#42102
A
helped
B
was helping
C
had helped
D
have been helping
推荐题目
--When did you become a volunteer for the elderly?-- Two years ago. I ______ this group since then.
#41941
A
joined
B
took part in
C
have joined
D
have been in
Tom _ _ his room every day. He it now.
#41522
A
cleans, clean
B
cleans, cleaning
C
cleans, is cleaning
D
clean, is cleaning
My sister wants a new dress. She it to the party,
#42126
A
wears
B
has worn
C
wore
D
is going to wear
