问题
What do you think of English —It is very easy. I have no trouble ______ it.
A:learn
B:to learn
C:learning
D:learned;
B:to learn
C:learning
D:learned;
正确答案是：
同类题型
___ does he have P.E —He has P.E. at 3:00 in the afternoon .
looked for my pen for a long time last night，but it ______ in my pocket this morning.How strange!
It’s said that two years________ since the old man _______.
He _______to us that the outside of the earth is made of a number of different plates(板块).