... busb. blousec. bothd. brown→ c 101 . Are there many students in Room 513?a. Yes, they areb. No, they aren'tc. Yes, there ared. No, there aren't→ c 102 . Pupils are learning a. Englishb. ... ruler yours or ?a. letsb. we playc. let us dod. let's→ d 104 . Her birthday is November.a. inb. onc. atd. into→ a 105 . Maria is the radio.a. lookingb. watchingc. listening tob. ... also friend.c. hearing to→ c 106 . Let's go out to play now.- No, I am doing my homework.a. all rightb. let's notc. we don'td. let's→ b 107 . My young brother can sing...