Playing QQ’s “Happy Farm” by planting, watering, fertilizing, spraying, harvesting and selling of virtual vegetables, fruits and flowers, we can find out _____ all the excitement is about.
——Who telephoned just now? ——Sorry. I couldn’t ______ the voice.
Only when ______ in 1918, ______ happily back to work.
The boy would have died, _______ on him without delay.
Do you mind ______ how you succeed?
The police saw the woman _______ a bus and _______ a taxi.