Leilah ... (spend-pass) most of her holiday at her cousin's house.
SPENT
I think the bad weather might ... an impact on the plans for the class trip.
HAVE
Air travel ... (cause/ make) air pollution.
CAUSES
People play with their mobile phones to spend/ pass time when there's nothing more interesting to do.
PASS
Patricia studied really hard all weekend, but it ... (have/cause) no effect on her final result in the exam.
HAD
Hearing my brother's news .... (make/ cause) me very happy.
MADE
I ... (spend/ stay) six hours doing my English homework last weekend.
SPENT
Manu didn't succeed in completing the crossword. Manu ... off the crossword. (ABLE)
MANU WASN'T ABLE TO FINISH OFF THE CROSSWORD.
It's important that we start our journey early tomorrow. We need... early tomorrow. (SET)
TO SET OFF
Carl couldn't go towards the beach because the road was closed. Carl wasn't ... the beach because the road was closed. (HEAD)
CARL WASN'T ABLE TO HEAD FOR
Lucy was unable to suggest an answer to the problem. Lucy... an answer to the problem. (COME)
Lucy COULD NOT /COULDN'T COME UP WITH AN ANSWER...
James never believed that he would finally become a doctor. James didn't think .... a doctor. (END)
James never believed (that) he WOULD END UP BECOMING a doctor.
John couldn't throw away his old things. John wasn't ... his old things. (RID)
John WASN'T ABLE TO GET RID OF his old things.
