—Which of the two books will you take? —I’ll take ______and I think______ of them is really helpful to me.
Can you give me any ___ as to how I can improve my English?
His grandmother’s back was bent with ___.
It is ___ to observe traffic rules.
The climate of Asia can ___ be spoken of as a whole.
As each candle burned four hours, the six candles ___ twenty-four hours.