1) They stopped where to go now.

a) discuss; b) discussing; c) to discuss.

2) Did you remember good-bye to everybody?

a) say; b) to say; c) saying

3) Nick could understand his friend from England if he more slowly.

a) spoke; b) spoken; c) speak

4) If I saw a mouse in the kitchen I try to catch it.

a) would; b) have; c) had

5) She with the housework.

a) is being helped; b) has been helped; c) will been helped