(单选题)20: Not until I came to China__ what kind of a country she is. A: I know B: I didn't know C: I did know D: did I know ...
(单选题)36: In some schools children enjoyed free milk until 1970 when the government( )this benefit. A: presented B: informed C: expected D: abolished ...
(单选题)14: Mrs Smith doesn't stop practicing until five o'clock.( ) A: She'll start at five o' clock. B: She finishes at five o'clock. C: She doesn't finish at five o'clock. D: She doesn't stop at five o'clock. ...
(单选题)53: Not until late afternoon ______ to tackle the major problem. A: prevent B: refuse C: hesitate D: reject ...
(单选题)17: Industry cannot develop until more trained engineers are _______. A: possible B: practicable C: permissible D: available ...
(单选题)52: Not until late afternoon ______ to tackle the major problem A: when they begin B: did they begin C: that they begin D: they began ...
(单选题)52: Her arrival ______ us, for she was not expected until the next day. ( ) A: cheated B: suspected C: surprised D: advised ...
(单选题)67: Identify the errors in the following sentence:Not until my mother told me the sad news last night did I knew that our neighbor Dr. Li was killed in a car accident the week before. ( ) A: Not until B: the sad news C: did I kne...
(单选题)24: ______ this road until you get to the church; then turn left. () A: Keep B: Change C: Follow D: Lead ...
(单选题)20: 假定有以下循环结构: Do until 条件 循环体 Loop 则下列说法正确的是什么 。 A: 如果"条件"是一个为0的常数,则一次循环体也不执行 B: 如果"条件"是一个为0的常数,则至少执行一次循环体 C: 如果"条件"是一个不为0的常数,则至少执行一次循...