问题

Some little boys have difficulty ______their hearts into the lesson for a long time.
A:to put
B:to put
C:putting
D:puting
B:to put
C:putting
D:puting
正确答案是:
同类题型
Your are not supposed toyour hands in the USA.[ ]
Is this ____car? —- Yes, it’s _____ English car.
Jane, your music is too noisy. — Oh, sorry. I’ll right now.
_______ useful tool the computer is!— I agree. It’s ________ interesting as well.
Bob! Is this your dictionary?—No, it isn’t. Ask Sally. She is looking for_______.