The teacher has a(an) ___________ to get off topic; sometimes it is difficult for students to make out what he is saying.
The most important thing is to keep _____ when you get into difficulties.
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.