—Sir, can I pass the examinations this time? —That depends on you work hard enough or not. what B. that C. whether D. how
_______, he knows a lot.
—Do you mind if I take off my jacket?—_______.
To be successful, you must be smart, confident, and, ______ honest.
I get the bicycle for _____.My friend gave it to me when she bought a new one.
It’s really difficult to ______ what he is trying to express.