WHO’S GOING TO LOOK _____ THE CHILDREN WHILE YOU’RE AWAY

20. - PREPOSITIONS LI THUYET BAI TAP DAP AN
PREPOSITIONS LI THUYET BAI TAP DAP AN
20. Who’s going to look _____ the children while you’re away?A. at B. up C. after D. overANSWER: I. 1. in 2. on 3. at 4. about 5. with