Choose because, and, although, so, but:

1.
she couldn’t speak Italian, she understood what the man said.

2. We hadn’t had any breakfast,
we were very hungry at lunchtime.

3.
she was very experienced, she couldn’t do this job properly.

1.but

2.and

3.so

Объяснение:

Вроде бы так

1but

2and

3although

Объяснение:

вроде так

1. Although: because the first part of the sentence implies that the person couldn't speak Italian, but despite this, she still understood what the man said.
The correct sentence should be: Although she couldn’t speak Italian, she understood what the man said.

2. But: because both parts of the sentence are contrasting each other. The first part states that they hadn't had any breakfast, and the second part says that they were very hungry at lunchtime.
The correct sentence should be: We hadn’t had any breakfast, but we were very hungry at lunchtime.

3. Although: because the first part of the sentence implies that she was very experienced, but despite this, she couldn't do the job properly.
The correct sentence should be: Although she was very experienced, she couldn’t do this job properly.