_____is too hard _____ a good solution to this problem.
| A．It; finding | B．This; to find | C．This; finding | D．It; to find |
Bruce_____ football, but he is on the volleyball team now.
| A．was used to play | B．used to play |
| C．used to playing | D．was used playing |
I still remember the museum_______ we visited last year.
| A．who | B．that | C．what | D．whom |
— I will take an English test tomorrow.
— Oh, really?________!
| A．Good luck | B．Have a good time | C．Well done | D．Good idea |
— On summer nights, the weather is usually hot at night in the south of China.
— Yes, so I often go to sleep ______ the window ________.
| A．let, open | B．with, opened | C．with, closed | D．with, open |