I _________ Ann with her Chinese over the years, but she can’t speak it at all.— Never mind, she is too young.

－_____ leave at the end of this month－I don’t think you should do that until _____ another job.

in Nome all haddiphtheria, a disease that spreads very fast If ________, it would produce apowerful poison that would kill the patient

_____ life exists on any other planet in the solar system still remains a question.

In the hot weather, the food______.