He ______ the key, so we ______ into the office.

—The poor people lived near the highway.—_____ very noisy.

“Do you think he is lazy?” “I _________ so once, but I don’t now.”

Meng Peij ie，an ordinary girl who was among the 10 people awarded the title of “Touching China 2011”，must be both optimistic and strong-minded. Otherwise, she _______  her disabled adoptive mother for 12 years.

.I tried to call on you last week but your dog simply ____ not let me come through the gate.