Waiter! How soon can I get my food I just havehalf an hour left before my train leaves– It ______ be ready in five minutes

She does not know _____ the situation, for she is too inexperienced.

r Robert has gone to HarvardUniversity for his master’s degree. — Oh, how nice! Do you know when he ____

Some teachers often give their students too much work to do, ________that they will thus improve their school grades.[ ]

_______in the ocean, it becomes powerless once it is on the beach.[ ]