My sister was against my suggestion while my brother was _______ it.

Mr Black is an experienced engineer, and he will beemployed to ______ us in improving our equipment.

Thisis my treat and next is yours. How is that—OK._______.

What a terrible experience! _______ ， you’re safe now – that’s the main thing.

I hear your pen friend is visiting Suzhou at present. Is it the ______ time for her — Yes, and she will come for a fourth time next summer.