I’ll miss you,dear.— It ____ long before we meet again,MomIt’s only one month away from Christmas.[ ]

The captain as well as his team interviewed shortly after they won the gold medal．

I _____ ping-pong quite well, but I haven’t had time to play since the new year[ ]

To those scientists, it still remains to be a question ______ man can go back to the old days with time machine

Healthy eating along with exercise is probably the only way_____ can help you become fit.