Science is more than a collection of unrelated facts; to be meaningful and valuable, ______ must be arranged to show generalized character.
—________ two months enough for the project to be finished? —I am afraid not. The professor is ill and only after he recovers ______ go on with it.
—Mr. Smith, why are you always asking me to do the difficult work? —Because you _______ do such a thing and nobody else is fit for it.
The traffic administration indicates that airline passengers are only allowed to carry their luggage _______ less than 5 kilograms with them.
How long do you think _______ the conflict between Japan and China comes to an end?
We are seeking a prime minister, ______ who will devote himself to the interest of the country.