— It is hot today, isn’t it? — Yes. _______ yesterday.
| A．So was it | B．So it was | C．So it is | D．So is it |
________you have learned to respect others, you will find it easy to be respected.
| A．Although | B．Once | C．Before | D．When |
The man in front of me came to _______a sudden stop ______I almost ran into him.
| A．such; that | B．such; as | C．so; that | D．so; as |
_______you worked late yesterday, you need ’t have come this morning.
| A．Unless | B．Though | C．Once | D．As |
This book teaches us how to analyze _______is causing the stress in our lift.
| A．what | B．when | C．why | D．How |
Martin drove along for more than one hour _____he found a convenient parking place.
| A．after | B．once | C．until | D．Since |