The two scientists have discovered 65 0f the more than 100 planets ________orbiting other stars [ ]

_______ I’m not sure of winning the match, I will have a try anyway

Look, what have you done—Sorry. If I another chance, I’ll do it better.

I failed again in the examination and only then_______how much time I had wasted.

can’t quite follow you-what you just said doesn’t _____.