问题

Please be quick, or we will have no time ____ lunch.
A:to have
B:having
C:on having
D:have
B:having
C:on having
D:have
正确答案是:
同类题型
He goes back to our school to visit his teachers every year. —____________.
Excuse me, could you ____________ me a minute, please? I would like to talk to you. —Sure!
What is Lucy doing now?—She _____ a book.
Remember this: ________ careful you are, ________ mistakes you will make.— We know, Miss Gao.