______is going to go climbing please gathers at the school gate at 8 on Sunday morning.

If I wasn’t busy., I could have been back by 5:30 o’clock—– What a pity! She____ here to see you

Creating world peace is a rather difficult goal, ____ calls for efforts of many generations.

In fact, radium not damaged their health, but also made the laboratory equipmentthey were wording radioactive.

The room ______ white last year is mystudy.