... went to bed early because of her sickness -> Because she Nối cặp câu sau dùng đại từ quanhệ "Whom" (1 đ) That is the boy We took him to the theater last night ============ HẾT ============...
... Babbage Babbge was born (3) 1791 and grew (4) to be a billiant mathematican He .(5) up plans for serveral calculating machines which he called "engines" But despite the fact that he (6) building...