I have experienced quite a number of cases ______ I really wanted to help but could not find anything to _______.
Mom called me yesterday, asking me _____ I was getting along well with my English study this term.
Jim fell _____ love with Shanghai when he visited the city for the first time.
I suffered from _____ terrible cold that day and my friends told me to go to _____ doctor’s after work.
—Do you mean that we have lost our way? —_____, my dear. We’d better ask someone for help.
__________ in the mountains for a week, the two students were finally saved by the local police.