After ( ) his explanation many times,Mike felt very tired ,括号内应该填repeat的哪种形态

I need a man who can explan the phytase in his own words in English!thank you very much . 英文强者进!he had a difficult time explaning his lateness to his girlfriend这里的explaning为什么不能换成to explan,为什么呢?请详细一点,说的好我有加分. His h___beats fast after running His mother looks after his sister at home（ ）（ ）after his sister at home? He often ( ) his dog ( ) ( )( ) after supper. Jim often --his homework after school he______(not do)his homework after dinner. His job is ( )(look)after the baby Doesn't he take after his father! Jihn likes ()with his friends after school. Yesaterday,after school she ( ) ( ) with his English. After school Tony often______on his computer. He was named after his father是什么意思 They made his face after the dog. He was _____ after his running.(sweater) His jop is ______ after his little brother. His mother looks after his sister at home怎么提问 Words can't explan how much I love you,