11. Mr. Nam (buy)........................that motorbike since last September. 12. Listen! Birds (sing)........................ 13. ...................Bears (like)......................... honey? 14. What ................you (do) .......................now? - We (play) .........................soccer. 15. Mr. Thanh (teach) ...............................me English. 16. Where ........................your mother (be).....................? - She (be).....................in the bathroom. May be, she (have)........................a bath. 17. We(visit)..................................our grandparents this weekend.