It is partly _____ the summer day is longer that everything has a larger time to warm up.
| A．for | B．that | C．the reason | D．because |
．— Have you ever visited the Opera House?
—Yes．When I was in Sydney, I ______ it twice．
| A．have visited | B．visited | C．had visited | D．would visit |
Oh, much smoke here ! Somebody _____ the window, please.
| A．opens | B．open | C．shall open | D．will open |
She looked up and nodded for me ______..
| A．to come in | B．coming in | C．came in | D．come in |
Catherine bought a postcard of the place she was visiting, addressed _______ to _______ and then posted it at the nearby post office.
| A．it; her | B．it; herself | C．herself; her | D．herself; herself |
. I love hobbies ______ you can see hard work and perseverance turn into positive results.
| A．which | B．that | C．when | D．where |