The room was dark，_________ I turned on the lights．

There are ______ people in the room, so it’s very crowded (拥挤的) .

How was your weekend? —Great! It was my grandfather’s _________ birthday. We enjoyed ourselves.

How many new words are there in _______lesson?—There are only _______.

You look so. . What’s wrong? -I can’t find my ID card.