Marie was the only one to solve the riddle; she is a very (a)   thinker.

The Trans-Siberian Railroad, completed in 1905, (a)   the Asian continent.

This year's school dance was not so (a)   ; we only made $150 compared to $375 last year.

At one point, the speaker (a)   to tell of an incident in her childhood, but the she got right back to the topic.

The rules of the game require you to accept the umpire's decision, even if you do not (a)   with it.

I had thought $60 would (a)   for my school supplies. As it turned out, it was not enough.

It was obvious that the speaker's talk was memorized, though she tried to make it seem (a)   .

With the help of novocaine, your dentist can greatly (a)   the pain of drilling.

There are two slopes: one for experienced skiers and one for (a)   .

If you let your assignments pile up, you may get into a situation from which you will not be able to (a)   yourself.