问题
选择题
—That's a big box. Is it heavy? Please let me ____ you.
—No, thanks. It's big, but it's not heavy. [ ]
A. helping
B. to help
C. helps
D. help
答案
答案:D
—That's a big box. Is it heavy? Please let me ____ you.
—No, thanks. It's big, but it's not heavy. [ ]
A. helping
B. to help
C. helps
D. help
答案:D