1.They are teachers and don't realize ____ to start and run a company .A.what takes it B.what they took C.what it takes D.what takes them
2.Will you see to ____you brother is OK at home while we are out on work .A.this if B.it that C.it whether D.that whether 3.When woken up ,he found he was standing on _____ seemed to be a small piece of rock.