Mike didn't start ______ the importance of a foreign language till he graduated from school.
A: knowing
B: to know
C: know
D: to have known
A: knowing
B: to know
C: know
D: to have known
举一反三
- He didn't want to let us ________ the truth. A: known B: knowing C: to know D: know
- _____ what he can do. He might get a job tomorrow. He might stay out of work for weeks. A: We didn’t know B: He doesn’t know C: There is no knowing D: It was known that
- As a public relations officex, he is said ______ some very influential people. A: to know B: to be knowing C: to have been knowing D: to have known
- I would have invited her,but I _______ her well. A: don't know B: didn't know C: hadn't known D: haven't known
- He seems ___ the old lady. A: knowing B: to be knowing C: to know D: to be known