Hot _______ the night air was, we slept deeply because we were so tired after the long journey.
| A．although | B．however | C．while | D．as |
The design isn’t successful unless it ________ people of all ages and social groups.
| A．attaches to | B．adjusts to | C．appeals to | D．objects to |
“Isn’t it time you ________ down to _______something useful?” said his mother.
| A．got; learning | B．get; learn | C．to get; learning | D．got; learn |
. I became more and more excited, trying to work out _______ Mom was taking us on holiday.
| A．where was it that | B．it was where that | C．where it was that | D．was it where that |
Medicine shouldn’t be kept _______ it is accessible to children.
| A．in which | B．in that | C．which | D．where |
_____ to Beijing, I would visit the Forbidden City where the emperors once lived.
| A．If should I get | B．If I would get | C．Should I get | D．If I get |