问题
She can’t help _____ the house because she’s busy making a cake.
A:to clean
B:cleaning
C:cleaned
D:being cleaned
B:cleaning
C:cleaned
D:being cleaned
正确答案是:
同类题型
What’s on the desk? —There ______ a pen, a book and two keys.
Why are you so happy?—That’s because an old friend of is coming.
I’d rather go to the Blue Lagoon because I like the soft music there.—Me too. Soft music makes me .
_____ to work, Bob bumped into an old friend, David, who he hadn’t seen for years.[ ]