1. has already cleaned
2.have just arranged
3. has just climbed
4.has already drown
укае4уороплбоапроавлщвкшонешвылщпновлщыапо
<span>1. The post office is closed closes on Sundays.
2. A. Vainer's detective stories are read abroad.
3. This holiday is celebrated in most English-speaking countries.
2.1. b
2. 2. b
3. 1. b
3. 2. b
3. 3. c
3. 4. c
</span>Pupils use computers at their lessons (<span>Computers are used by pupils at their lessons)
</span>Ann cooks a special dinner on the 21 st of May (A special dinner is cooked by Ann on <span>the 21 st of May)
5.1. c
5.2. a
5.3. c
5.4. b (только she just has)</span>
If he doesn't come home soon
Если действие регулярное,вообще, то: spends
Если в данный период времени, то is spending
Тут 1 вариант.