—Have you thought of the topic for the composition? — Not yet.I _____ it very carefully, but I haven’t decided.
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.