Nobody knows ____.A .what wrong is.B .when did he come back.C .if Kyle will play the solo.
— Does she often get to school ____________ bus?—Yes, quite often.
I’m sorry I can’t play soccer with you this afternoon, I have _______ homework to do.
— ____________ do you usually get to school?— I usually ride the bike.
My uncle is leaving _____________ Sydney next weekend.
She is going for vacation when she finishes ____________ her new book.