—If the traffic hadn’t been so heavy,I could have been back by 6 o’clock. —What a pity!Tina here to see you.
The boy was not allowed ______ his brother’s bike.
He _____ tasted the mixture and give a smile.
None of the students watched the teacher______.
Miss Yang will teach us Chinese today ____ Mr Zhang.
Johnny, you ________ play with the knife, you ________ hurt yourself.