----Must I clean the window now?
---- No, you _____.
| A．mustn’t | B．needn’t | C．can’t | D．may not |
It sounds ＿＿＿＿＿ the singing of rails.
| A．as | B．in | C．like | D．as if |
His mother ＿＿＿＿＿ teacher.
| A．became | B．has turned | C．came | D．proved |
Obviously, the old soldier’s knowledge of English＿＿＿very weak.
| A．seems | B．rised | C．remained | D．looked |
His girlfriend ＿＿＿＿＿a singer.
| A．has turned | B．grew | C．has become | D．turned |
His father ＿＿＿＿＿ that older than he really is.
| A．grows | B．appears | C．turns | D．becomes |