--- Tommy, your mum has been out without glasses! --- Well, take it easy. _______ she is back home for them.
It’s no use ______ without taking action.
Sarah pretended to be cheerful, ______ nothing about the argument.
The lecture, ______ at 7:00 pm last night, was followed by an observation of the moon with telescopes.
Marco Polo is said to have sailed on ______ Pacific Ocean on his way to Java in ______ thirteenth century.
The other scientists ______ to her ideas with a mixture of criticism and silence.