His mother sent _________ to a school when he was only 6.

Shanghai is about 300 away from Nanjing.

Alice, you feed the bird today, ______?—But I fed it yesterday.[ ]

The early settlers in the jungle didn’t have such advanced equipment _____ we have today to fightagainst natural disasters and many a time they _____ despair(绝望) but they survived somehow.[ ]

When will your father be back home?— ____ twelve o’clock