＿＿＿とした森の中の小道を二時間近く歩きつづけた。
A．しっそう
B．うっそう
C．いっそう
D．さっそう
参考答案：B
---Let’s join the music club. ---- .
A．Good idea.
B．That’s right.
C．I think so.
D．It’s relaxing.
There was something wrong with the network, or the email ________ earlier.
A．could have been sent
B．might be sent
C．need have been sent
D．must be sent
