Our teachers often advise us ________ carefully in class.
______ of the area _______ covered by trees.A. Two-third; is B. Two thirds; is C. Two-third; are
Every year I have to visit my grandpa by train because he lives in a village _______.A. too far B. far away from C. far away
In the past, most parents couldn’t _______ their children’s education.A. cost B. take C. afford
– ______ the population of the world? – _______ about 6.5 billion.A. How many; They’reB. How much; It’sC. What’s; It’s
– Are there ______ of students in your school?– Oh, yes. There are about five ________.A. thousand; thousandB. thousands; thousandC. thousand; thousands