200. With some books he needed ______, he went into the book store quickly.
Unfortunately when we arrived she ___, So we only had time for a few words.
---Where is mother? ---She is in the kitchen. She ___ the dinner for the party the whole afternoon.
The students _______ busily when Miss Brown went to get a book she _______ in the office.
The building which _____ now will be our science laboratory.
---What bad weather! It’s raining all these days. ---Yes, the river has _____ two feet.