Before a problem can be solved, it must be obvious ______ the problem itself is. A. what B that C which D why
The mother didn't know ______ to blame for the broken glass as it happened while she was out . A who B when C how D why
Last summer I took a course on______.
.Let Harry play with your toys as well,Clare you must learn to______. A.support B care C.spare D share
.There are five pairs______, but I’m at a loss which to buy. A.to be chosen B to choose from C . to choose D for choosing
.Paul doesn't have to be made ______ .He always works hard.