—— It will be three months ____ we meet again.
—— Then we can keep in touch by email.
| A．since | B．as | C．before | D．after |
It was going to be some time _____ he would see his father again.
| A．before | B．after | C．since | D．When |
She does not know _____ the situation, for she is too inexperienced.
| A．how to deal with | B．what to deal with |
| C．how to deal with it | D．what to do with it |
The reason ____he was late was ____he had taken a wrong bus.
| A．why; because | B．for; because of |
| C．why; that | D．for; that |
—Do you know what the letters MBA _____?
—Sorry, I don’t know.
| A．stand for | B．stand by |
| C．belong to | D．take place |
The flowers don’t need too much water; you can just water them _____.
| A．each other days | B．every other day |
| C．each of two days | D．every of two days |