問題補(bǔ)充：
單選題
It is really a challenge for me to finish it．In order not to be disturbed, I spent three days ________ in my study surfing the internet to do the research．A.lockingB.lockedC.to lockD.lock
網(wǎng)友答案：
熱心網(wǎng)友 1樓
B解析本題A項(xiàng)干擾性較強(qiáng)，有的學(xué)生受思維定勢的影響，看到locking，就不假思索地選A項(xiàng)。解本題時(shí)，應(yīng)仔細(xì)分析其語境和結(jié)構(gòu)，細(xì)心揣摩句意。sb．spend time(in)doing中的sb．是doing的邏輯主語。如：He spent three years writing the book．＝He wrote the book in three years' time．從結(jié)構(gòu)和句意看，本題中的主語I和lock不是主動(dòng)關(guān)系，而是被動(dòng)關(guān)系，故選B項(xiàng)。如果在in之前加反身代詞myself，本題就選A項(xiàng)。
