Listening to loud music at rock concerts caused hearing loss in some teenagers. (2010 .湖南）
| A．is |
| B．are |
| C．has |
| D．have |
He has called several times this morning. _______, there is something very urgent.
| A．Really | B．Especially | C．Obviously | D．Terribly |
John talked with me for about an hour yesterday. Never _______ him talk so much.
| A．had I heard | B．did I hear | C．I had heard | D．I heard |
Mother told Jim to ______ the milk until it boiled and then turn off the gas.
| A．observe | B．watch | C．notice | D．glance at |
Some friends tried to settle the quarrel between Mr. and Mrs. Smith without hurting the feeling of _____, but failed.
| A．none | B．either | C．all | D．neither |
in the regulations that you should not tell other people the password of your e-mail account.
| A．It requires | B．It is required | C．What requires | D．What is required |