________you eat the correct foods ________ be able to keep fit and stay healthy.
----She looks happy. She _______ have passed the exam. -----I guess so. It is not difficult after all.
Choosing the right dictionary depends on ______ you want to use it for.
More than a dozen students in that school _______ abroad to study medicine last year.
----Why did you leave that position? ----I ______ a better position at IBM.
Some experts demanded that children _______ time to sleep and play.