Don't forget ______ your homework with you when you come to school.
A. to bring
B. bringing
C. to take
D. taking
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Robert often asks us ______ his Chinese, so his Chinese is much better than before.
A. help him
B. to help him with
C. to help with
D. helps him with
不定式 (infinitive ) 是一种非谓语动词形式,其结构为“to+动词原形”。__________
A. 对
B. 错
动词不定式的符号to是介词,动词不定式没有人称和数的变化。________
A. 对
B. 错
动词不定式和其后面的名词等构成不定式短语,在句子中可以用作主语、表语、宾语、补足语、定语、状语等。__________
A. 对
B. 错