B
thought是动词,修饰动词用副词
he thougth____ grammar was a great way to learn a language这句是一个宾语从句,省略了that,后面应是一个完整的句子,动词作主语应该用动名词,加ing
B
thought是动词,修饰动词用副词
he thougth____ grammar was a great way to learn a language这句是一个宾语从句,省略了that,后面应是一个完整的句子,动词作主语应该用动名词,加ing