_____ many times, he finally understood it.
_Your suit won’t be ready_______Friday.You can collect it next Monday.
_The beginning of agriculture was a big step in human progress _______which nothing could compare until our information age.
_Hai Yan is a famous Chinese novelist, _______writings are thought highly of.
_Was it eleven o’clock _______you arrived home last night? A.when that ince hile
_Along with the letter was his promise_______he would visit me the coming month.