My father （ ）busy at his work.。 A: is always B: does always C: always is D: always does

He ______ there when I am in trouble. A: is always B: always is C: always

Although the members of the faculty seem inflexible, __________ to suggestions. A: they are always open B: always they are open C: open they are always D: they are open always

She ____ when I go to see her. A: is always working B: was always working C: always worked D: has always worked

The teacher ______ it was important to know English grammar. A: is always saying B: was always saying C: had always said D: has always said

Some Internet services offer ____ connections, in which data travels upstream from your computer to the Internet at the same speed as data traveling downstream from the Internet to your computer. A: asymmetrical B: symmetrical C: always-on D: voiceband

In a paragraph, the topic sentence is _______. A: always the first sentence B: always the last sentence C: usually, but not always, the first sentence D: usually, but not always, the last sentence

He ______ conscious of his duties to his parents as a filial son. A: was and always will be B: has to be and always will be C: had been and always will be D: has been and always will be

My bicycle ______ down just when I need it most. A: always breaks B: always broke C: is always breaking D: has always broken

_________conscious of her moral obligations as a citizen. A: Marsha was and always will be B: Marsha has to be and always will be C: Marsha had been and will always be D: Marsha has been and will always be