30. In some countries, treatments for A(H1N1) flu were neither ________ nor effective, and many patients died because of infection.
—— I’d like to take a month’s holiday. ——___________ . We are too busy.
The flag looks especially beautiful _______________ the blue sky.
I’m moving to the countryside because the air there is much fresher than ___________ in the city.
_____________ that I couldn’t be absorbed in the work.
The result of the experiment was very good, ___________ we hadn’t expected.