—________ one and a half 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.
If you ________ your attention on the job in hand, you’ll soon finish it.
Due to the volcano eruptions in the Republic of Iceland, all the flights are delayed or cancelled, so the conference has to be ________.
The news spread quickly through the village ________ the war had ended, ________ made villagers wild with joy.
After we compare the two, we find this design is ________ that one.
More forests are being destroyed. As a result, a lot of good earth ________ each year.