(2012年重庆联合诊断性考试)It is rather difficult to make friends with him，but his friendship，________，is more true than any other's.
| A．once gained |
| B．when to gain |
| C．after gaining |
| D．while gaining |
Dress warmly, _____ you'll catch cold.
| A．on the contrary | B．or rather | C．or else | D．in no way |
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Although John was the eldest in the family, he always let his sister _____ charge of the house.
| A．take | B．hold | C．make | D．get |
Nowadays more and more people are advised to arrange for insurance _______ they or their family members need medical treatment.
A so that B. in order that
C in case D no wonder that
—Could I use your dictionary?
—I’m sorry it isn’t here. I’d get it for you_______ I could remember who last borrowed it.
| A．expect that | B．now that |
| C．only if | D．even though |
The zoo will have to close ________ the local government agrees to give extra money.
| A．until | B．when | C．unless | D．if |