I spent a lot of time ______ English last weekend.A. to practice speaking B. practicing to speak C. practicing speaking
It ______ Mr. Smith half an hour _____ get to his office.
Mary, ______ girl, wants to be a doctor.
Our teacher always helps us ______ our English.
--- _____ do you ______the book? --- It’s very interesting.
Trees are animals’ homes, so we shouldn’t ________.