She has visited Hong Kong_______, but she wants to be there a_____ time.
A year has four seasons and it________twelve different star signs.
Battery-operated slippers are used________seeing in the dark.
The children________not to play with fire.
The Northern Tower of Xin Hua has a long history.It________in 1835. A.is built B.was built C.was building
The meeting________tomorrow is very important.You can’t miss it.