... tired, we sat down beside the stream. (Because of / As / If / And) 18. Tom doesn’t have to go to lecture, ______? (does Tom / did he / doesn’t Tom / does he) 19. He finished ______ and sat down. ... BT TRẮC NGHIỆM TIẾNG ANH 9 GRAMMAR TEST C (UNIT 5+6) Choose the best answer to complete the following sentences. 1. He shouldn’t put so much salt in it, ______? (shouldn’t he / would ... had no luck. (tried hard / hardly tried / tried hardly / try hardly) 31. It is necessary that the mother ______ by breast milk. (feed her baby up / feeds her baby up / bed her baby up / feeds...