I. Complete the following sentences with the correct form and tense of the verbs given in brackets
1. haven't written - have been - didn't have - telephoned - forgot
2. stood - trying - not to weep - heard - climbing
II. Complete each blank with a suitable preposition
1. about
2. through
3. out
4. round
5. with
6. down
7. off
8. out
9. away
10. into