用be动词的适当形式填空； I（ ）at school just now He （ ） at the camp last week we ( )students two

用be动词的适当形式填空； I（ ）at school just now He （ ） at the camp last week we ( )students two
用be动词的适当形式填空；
I（ ）at school just now
He （ ） at the camp last week
we ( )students two years ago
Yang Ling ( )eleven years old last year
There ( )an apple on the plate yesterday