I don’t think _________ is possible to master a foreign language without much memory work.
——When did it begin to snow?——It started ________the night.
My daughter________ hard for more than one year to realize her dream joining the Party and now her dream comes true.
________a US visitor visa twice , the young man finally gave up his hope of going to America to Christmas Day.
“Do you mind if I look at your notes?”“Of course not .______”
________eastward,________ you’ll pass mountains and thousands of lakes and forests.