【题目】The dog had waited for years ________ it realized the death of his owner.

【题目】—Why not ask Sandy to go to the movies with you?

【题目】 nice weather it is! Let’s ride bike riding.

【题目】—How do you like that movie?

【题目】—Did you fix the bicycle __________ (你们自己)?

【题目】Now we can use online museums to enjoy different __________(艺术家) works.

【题目】—What happened?

【题目】— Whose Japanese book is this?

【题目】It is __________ (广泛地) believed that China plays an active role in medical research.

【题目】There isn’t ______ in today's newspaper．