一区二区三区不卡视频,中文在线视频,夜夜艹

20．-I want to know if the temperature _____ high tomorrow．
-You can wear your new dress if it _____ warmer，right？（　　）

	A．	will be； will be		B．	is； is
	C．	is； will be		D．	will be； is

分析 -我想要知道明天氣溫是否很高．
-如果明天很暖和，你可以穿裙子了，對吧？

解答答案：D．題干里有兩個if，第一個if是"是否"的意思，引導的是賓語從句，根據賓語從句的時態，可知因為tomorrow morning，應該用將來時will be；第二個if是"如果"的意思，其時態應該是"主將從現"，即主句用將來時，也可以是：主句是含有情態動詞的句子，從句應該用一般現在時；結合語境，故選D．

點評以if引導的從句有兩個，一個是賓語從句，一個是條件狀語從句．做題時應該首先明確它引導的是什么從句，然后根據它的時態用法，來確定選項．

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