There was so much smoke in the factory the workers were working _ the firefighters couldn’t see clearly.
The money is to be used ________the poor.
There are________ products to be sold in the factory store. Which is not correct in the following?
—Mom,dad is smoking again!—Well,let him cut it ________ gradually since old habits die hard.
—I wonder whether the speaker has arrived.— ________ ,I’ll check at the reception desk.
___________ made the school proud was ___________ more than 90% of the students had been admitted to universities.