题目内容
. Enough attention should be paid to _____ your pronunciation and intonation.
| A.improve | B.improving | C.improved | D.be improve |
B
考查非谓语动词。句中pay attention to关注,to为介词,故用v-ing形式。句意:应当足够的关注你的发音和语调。
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题目内容
| A.improve | B.improving | C.improved | D.be improve |