His sudden look of fear made _____ clear that he had something to do with the matter.
He said he would ________ me to Mr.Li as his assistant.
—Have all the mysteries been cleared up? —Almost.But ________ only one question ________.(2012·黑龙江哈三中月考)
I've decided to keep all these stamps as they might be ________ some day.(2012·天 津联考)
The school principal himself ________ a prize in English to the best student at the opening ceremony.
I ________my homework to make sure that nothing had been missed.