Even though he was disabled, he can do many things _________ swimming, writing and reading.[ ]

Don’t be angry with your kid when he makes a mistake again, will you? —No. I won’t. I know that ______of us are perfect after all.

Scientists say it may be five or six years ____ it is possible to test this medicine on human patients.

There ________ elephants if we don’t protect them now.

I’m thirsty. I want to buy something _________.