The car is quite small, ________ when you have children, so change it for a larger one if possible.
Hurry up, _______ you will miss the bus.
Attention, please!The plane to London_______ off at 9: 00.
Every minute of the day is filled _______ urgent matters.
If you can’t _____ a better plan, we have to carry out the present one.
I’d like to know _____ Chinese.