There are many fine buildings on _______sides of the streets.
| A．every | B．both | C．all | D．either |
--- _______ he come in or wait outside?
--- Let him in, please.
| A．Shall | B．Will | C．Does | D．Has |
--- Have you got ready for the meeting?
--- Not yet. We need ________.
| A．three other chairs | B．other three chairs | C．another three chairs | D．three another chairs |
He took off his coat, _____ all his pockets, but couldn’t find his key.
| A．searched | B．searching | C．to search | D．searches |
He will spend six hours at his desk _______ he finishes his composition.
| A．before | B．until | C．after | D．when |
--- What is the matter with the pen?
--- The ink _______come out.
| A．isn’t | B．didn’t | C．don’t | D．won’t |