问题
选择题
-Last semester, he had a hard time______ English.
A.learns
B.learning
C.to learn
D.learnt
答案
答案:B
固定短语have a hard/difficult in doing sth表示做某事很费力,其中in可以省略。
-Last semester, he had a hard time______ English.
A.learns
B.learning
C.to learn
D.learnt
答案:B
固定短语have a hard/difficult in doing sth表示做某事很费力,其中in可以省略。