I think you are at the end of your ________ this time and need to turn to Pro. Smith for advice.

90 % of the debts _______ so far

With the development of science and technology,there is no doubt________Chinese astronauts will landon the moon in the near future.[ ]

I hadn’t seen her for 10 years, but I ______ her at once.

I ________ up to $5 000 by the time the new term begins in September