Nobody told us _____
Which floor is your classroom ____________ that classroom building?
单词辨音 (本大题共5分,每小题0.5分)
We were swimming in the lake _______ suddenly the storm started.
The price of petrol(汽油) is not _______ that of last year, so some more people are planning to buy cars.
Everybody should study hard. No one can _______ us _______ a good future.