4 a の状況に合うように, bの( )内に適語を入れて仮定法の文を完成させなさい。
1) a. Jack doesn't know Emma's phone number so he cannot contact her.
b. If Jack(
) Emma's phone number, he(
2) a. Ken had a fever and he didn't do his best at the game.
) contact her.
b. Ken could(
) his best at the game if he (
) had a fever.
3) a. It's a pity that I didn't buy the concert ticket then. It's sold out now.
) the concert ticket then.
4) a. I want to travel this summer, but I'm too busy to travel anywhere.
) somewhere this summer.