1)Вставьте since или for.

1. It has been raining this morning.

since
for

2. She's worked there 1999.

for
since

3. I haven't visited my home town I left school.

for
since

4. I have studied non-stop 9.15.

since
for

5. I've worked here April.

since
for

6. Wolfgang has done nothing he arrived at work this morning.

since
for

2)Вставьте by или until.

1. It must be finished Friday afternoon.

by
until

2. She'll be here at five, ___ which time I expect you to have finished the work.

until
by

3. Once he starts a decorating job he won't stop it's finished.

by
until