Although he has lived with us for years, he _______ us much impression.
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.
The harder you_______ , the greater progress you______ .
The young man admitted, after several hours questioning,_______ a wallet from the passenger on the bus.