[-A90] My sister,an inexperienced rider,was found sitting on the bicycle ______ to balance it.A.having tried B.tryingC.to tryD.tried 翻译并分析

[-A90] My sister,an inexperienced rider,was found sitting on the bicycle ______ to balance it.A.having tried B.tryingC.to tryD.tried 翻译并分析 NO,my sister is an artist My sister is an office worker.（作同义句）1.My sister （ ） （ ） （ ） （ ）.2.My sister ( ) ( ) ( ) . My sister is_student.she studies at_college.填a,an,the,/ my sister received an invitation from her friend同义句 sister teacher my English is an .注意,这是连词组句 with I China sister an my 连词成句 please bring my sister an apple 改为同义句 My sister has an unhealthy lifestyle改为同义句 My sister has an unhealthy lifestyle.(改为同义句) My sister has an unhealdthy lifestyle改为同义句 My father was pleased with my sister’s .A) honest B) honesty C) an honest D) an honesty 等差数列｛an｝s90=10,d=2,求a3+a6+a9+.a90 this my sister.对my sister提问 My sister have some bread an milk for breakfast.为什么错? my sister is writing an e-mail to her best friend lily是什么意思 I am reading an English story,[ ] my sister is watching tv.这里填什么连词 为什么? My sister is an accountant,she is very busy during tax time.需要连接词吗?