Question

1.If we .......(plant0 more trees .The air .......(be) fresher

2.if the soil ....(be) polluted, the vegetables..............(die)

3 unless he ..........(call )me ,i .......(stay) at home

4 The wearther is not very good .it might.........(rain) this afternoon

5 if a student ...(recycle)the papers, he .......(save) energy

6.I ......... (not clean ) my room for a long time

Answer 1

1.plant/will be

2.is/will die

3.call/will stay

4.be rain

5.recycle/will save

6.didn't clean

Answer 2

1plant...........will be

2is .....will die

3call...will stay

4be rain

5recycle..........will save

6don't clean

Answer 3

1.If we ....plant...(plant0 more trees .The air ....will be...(be) fresher

2.if the soil ...is.(be) polluted, the vegetables........will die......(die)

3 unless he ....calls......(call )me ,i ....will stay...(stay) at home

4 The wearther is not very good .it might......rain...(rain) this afternoon

5 if a student ..recycles.(recycle)the papers, he ....will save...(save) energy

6.I .....haven't cleaned.... (not clean ) my room for a long time