英语 填入介词填入介词1.Can you be certain _______ the time of the meeting.2.There was no one in the streets ________ the policemen ______ duty.3.Now I have the key ______ the whole diffculty.
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![英语 填入介词填入介词1.Can you be certain _______ the time of the meeting.2.There was no one in the streets ________ the policemen ______ duty.3.Now I have the key ______ the whole diffculty.](/uploads/image/z/12429188-44-8.jpg?t=%E8%8B%B1%E8%AF%AD+%E5%A1%AB%E5%85%A5%E4%BB%8B%E8%AF%8D%E5%A1%AB%E5%85%A5%E4%BB%8B%E8%AF%8D1.Can+you+be+certain+_______+the+time+of+the+meeting.2.There+was+no+one+in+the+streets+________+the+policemen+______+duty.3.Now+I+have+the+key+______+the+whole+diffculty.)
英语 填入介词填入介词1.Can you be certain _______ the time of the meeting.2.There was no one in the streets ________ the policemen ______ duty.3.Now I have the key ______ the whole diffculty.
英语 填入介词
填入介词
1.Can you be certain _______ the time of the meeting.
2.There was no one in the streets ________ the policemen ______ duty.
3.Now I have the key ______ the whole diffculty.
英语 填入介词填入介词1.Can you be certain _______ the time of the meeting.2.There was no one in the streets ________ the policemen ______ duty.3.Now I have the key ______ the whole diffculty.
1.of
be certain of + n.对 很确定
2.except on
on duty执勤 固定搭配
3.to
key to (door,difficulty)固定搭配
类似的还有answer to question等
to
except on
to
of
except ;on
to
1,of 。 be certain of 后加名词,又确定的意思
2,except on 。 except除了 on 来搭配duty,守职的意思
3,to 。 the key to 有解决(问题)的方法的意思