_________ enough evidence, the police gave up charging the man with murder.
| A．Absent from | B．Rich in |
| C．Because of | D．In the absence of |
Without the teahcer’s help, I ___ the exam.
| A．won't pass | B．wouldn't pass | C．wasn’t to pass | D．wouldn’t have passed |
The teacher said that either you or I __ to attend the lecture.
| A．was | B．were | C．be | D．should be |
--Excuse me, Can I borrow your bike and keep it for two hours?---____.
| A．Yes, please | B．NO, thanks | C．Yes, I can | D．Sure |
You’ll realize it’s your own fault____.
| A．otherwise | B．instead of | C．sooner or later | D．before long |
This is ___that they all want to but it.
| A．a so useful book | B．such an useful book | C．a such useful book | D．so useful a book |