... indirectly 90. How many words does a baby at the age of two can acquire? a. 20 words b. 200 words c. 2,000 words d. 20, 000 words http://ebook.here.vn – Tải miễn phí hàng ngàn eBook, ðề thi, ... http://ebook.here.vn – Tải miễn phí hàng ngàn eBook, ðề thi, Tài liệu học tập 41 Practice test 9 Phần 1. 1.a. liked b. helped c. counted d. cooked 2. a. ball b. small c. match ... is 19. Look at that men! He such a funny hat. a. wore b. is wearing c. was wearing d. wears 20. When I got home, the children to bed and the house was quiet. a. went b. had gone c. has gone...