Our country is developing at an amazing speed，which is________makes me feel so proud.
| A．what | B．why | C．that | D．where |
He changed so much that I didn’t _______ him at first sight.
| A．know | B．recognize | C．enjoy | D．agree |
Do you know when ________?
| A．does the basketball game begin | B．begins the basketball game |
| C．the basketball game begins | D．will the basketball game begin |
I don’t think she is a nice woman；I’m ______ her empty talk.
| A．grateful for | B．tired of | C．crazy about | D．concerned about |
____ you promise to buy her a gift, you can’t break it in any case.
| A．Once | B．Until | C． For | D．That |
He realized she was crying ________ what he had sad.
| A．because | B．because of | C．as | D．since |