首先談談一些你的選詞： English ability = 這是很"中文"的詞意，English本身是一種語文/語言，作為外文中文人會以科目般的技術"能力"來衡量個人的程度，但英語人不會看這是一種"ability"，因此一般不要在English後或前加這類附助名詞...
...not to a special dog, because only one dog.The meaning is still complete without it.Hence,without two commas=non-defining, although only...
You have 2 choices - either wait for it to complete or a fully restore.
...失效" "分項" 的意思. 例如: The breakdown is sound and complete .(分項是合理 也是完整的) The factory breakdown caused a big delay...
... for a period of time due to lack of finances but was completed in 2018(this year)。這樣才像完整的表達，你原句看似完整，但意思是「由於缺乏...
...upon receive. Our staff misunderstood that that the payment was completed online and did not ask for the payment. Grateful if you could complete ...
... to brighten again 3. the whole process could take several hours to complete The question - Have you ever seen the moon slowly begin to darken...
... 4th pack arrives----with the 3 previous nos.-----to arrive to complete the total nos. or:-eg:-Since a 4th pack is forcasted "to arrive...
...tell me "what to do."----correct The complex sentence is only complete if the noun cl. is present. "what to do" is a noun cl. relative...