By the middle of August, a national campaign was underway ________ drunken drivers.
. —We’re going to Paris for Sylvia’s birthday. But it’s a secret.—Is it? OK, I________ her.
He ________ get into his own house because he has lost his keys.
Caspar ________ his leg when he ________in a football match last week.
Smoking is one of the ______ of heart disease and it kills lots of people every year.
The time that he ________ in playing computer games each day is about two hours.