I did ____ in last English exam and I hardly made mistakes.
The number of the cranes is getting ___________ .If we don’t help them, they will disappear ___________ a few years.
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.
There’s water all over the kitchen. You’d better _______ right away.