We gave away bulletins door to door to call on people to help others warm-heartedly, only ____to have a drink from time to time.
Some people would rather ride bicycles as bicycle riding has _____ of the trouble of taking buses.
The reason being late for the meeting was his little son fell ill this morning.
Only when he returned______ the truth.
Without my glasses, I couldn’t _____ whether that figure on the blackboard was a three or an eight.
– Who are playing football in the gym now? – ________ the students from No. 1 Middle School.