【明報專訊】■ Mission

Bill is wrong.

There are 30 balls altogether.

(the 1st layer: 1,

the 2nd layer: 2×2＝4,

the 3rd layer: 3×3＝9,

the 4th layer: 4×4＝16)

■ Comic

1. pass (request)

2. add, stand (instruction)

3. sit (order)

4. sleep, drink (advice)

■ News corner

1.B

2.A

3.B

4.C