It ________ be the vocabulary that caused you the problem in the exercise because you know a lot of words.
| A．may | B．couldn’t |
| C．should | D．needn’t |
_____ she goes, there are crowds of people waiting to see her.
| A．Wherever | B．however |
| C．Whichever | D．Whoever |
You should put on the notices ______ all the people may see them.
| A．where | B．in which |
| C．at | D．for them |
_____ I suggest, he always disagrees.
| A．however | B．whatever |
| C．Whichever | D．Whoever |
“Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”
| A．after | B．unless |
| C．until | D．when |
You will succeed in the end ____ you give up halfway.
| A．even if | B．as though |
| C．as long as | D．unless |