Can you work put the physics problem—Sorry, I can _________ understand its mean­ing.

He has made up his mind to _____ his dream no matter what difficulties he may run into. [ ]

If you have a holiday, why not ________ on atrip

________ you call me to say you’re not attending my birthday party, I’ll see you at it.[ ]

“Mike is_____, Mum,” said his little sister. ” That is not my fault, noticed some broken toys ____ on the floor, so I picked them up and _____them on the chair. [ ]