There is not much time left，but________we must get there on time.

How can we get this language point _____ to the students.

I have little doubt about his competence; ______, he is well-qualified for the job. 

New reports say peace talks between the two countries have broken ____with no agreement ________. 

The charity sale our school organizes every year has taught us much. _______ we would never have learned it in class.