题文
—How do you study _________ a test?
—I often study _______ a group．
| A．to; for | B．for; at |
| C．at; in | D．for; with |
—How do you study _________ a test?
—I often study _______ a group．
| A．to; for | B．for; at |
| C．at; in | D．for; with |
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