ĐIỀN VÀO CHỖ TRỐNG

If we go on ..........water, there .....be a shortage ......fresh water.

I.......very pleased ........you .....working hard.

How about ...........a shower instead ......a bath-tub ......save water

Scientists .............looking ............ alternative energy sources now.

I suggest not turning ..........the lights when ...........room .......light enough.

- It ...........necessary .......use energy-saving bulbs instead ......... ordinary bulbs.

Family members........ live apart try ..........be together .........Tet.

Easter....... ............. late March .......early April.