______ you study hard, you will pass the exam.
| A．If | B．Although | C．Though | D．Before |
The couples went into the forest,but before long they became _________;they walked down different paths.
| A．lost | B．missing | C．separated | D．reunited |
.They _________ that the books be returned to the school library at once.
| A．demanded | B．hoped | C．wished | D．permitted |
—I’m sorry to keep you waiting.I’ll make shorter work of this.
—_________.I’m not in a hurry.
| A．Take it easy | B．Take your time | C．Not at all | D．Do as you please |
All the boys in our class like_________very much.
| A．football | B．the football | C．footballs | D．a football |
She admitted _________ a story to explain the reason why she was late.
| A．to have made up | B．having told | C．to have told | D．having made up |