Odpowiedź:
1. She...(not/travel) abroad before, so she was a little nervous.
Podkreslone wyrażenia sugeruja ,że czynnośc w zdaniu pierwszym była wcześniejsza , zatem musimu uzyc czasu PAST PERFECT.
She hadn't travelled abroad before, so she was a little nervous.
2. We...(stand) outside when someone ran past and took my bag.
Dwie czynności przeszłe, ta w drugimzdaniu krótka, a więc w pierwszym zdaniu uzyjemy czasu PAST CONTINUOUS.
We were standing outside when someone ran past and took my bag.
3. When he's away he usually...(try) to call home every evening.
PodkreŚlone wyra żenia wystepuja w czasie PRESENT SIMPLE
When he's away he usually tries to call home every evening.
4. I...(attend) a psychology course at the moment. It's really interesting.
Podkreślone wyrażenie mowi nam ,że zdanie jest w czasie PRESENT CONTINUOUS
I am attending a psychology course at the moment. It's really interesting.
5. They...(go) on holidays to China last year.
Podkreslone wyrazenie wystepuje w czasie PAST SIMPLE
They went on holidays to China last year.
Wyjaśnienie:
