みなさんこんにちは。徳村ヒデキです。

今回も演習問題をお届けします。

早速次の問題を解いてみましょう！

■問１■
“I’d better call our neighbor to ask her to check the door of our apartment.”
“You don’t have to do that. I remember (　　　) it when we left.”

(1) lock
(2) locking
(3) to be locked
(4) to lock

■問２■
I don’t think we can come up with a solution to the problem, however long we spend (　　　) it.

(1) discussing
(2) talking
(3) to discuss
(4) to talk

→解答･解説はコチラ
http://gorogo.com/m/ans.php?g=18hd&n=51