—What should we pay more attention to if we go north in winter, Mum?—Nothing much. Take warm clothes________ the weather is cold.
The new system has been designed to give students quick and easy ________ to the digital resources of the library.
The teachers hope students can keep a ________ between work and relaxation.
I'll be busy on ________ Sunday morning, and perhaps I'll have ________ late night.
It is high time that we started to consider what ________ we should take to reduce heavy smog caused by traffic fumes and other pollutions.
________ walk is expected to last all day, so bring ________ packed lunch.