Although we have learned English for 3 years, we still h Wap版

试题详情及答案解析

Although we have learned English for 3 years, we still have trouble _____ the new words.

A．learn	B．to learn
C．learning	D．of learning

答案：C

试题分析：句意:虽然我们学英语学了三年，但在学新单词是仍有困难。have problem/trouble/ difficulty (in) doing sth 表示“做……有困难”, 故选C。
考点：考查非谓语动词。