---Could you tell me ________?---By searching the Internet.
---- Hurry up ! The bus is coming . ----- Wait a minute. Don’t cross the street_________ the traffic lights are green.
.---Tom plays computer games too much. --- That’s why his mother is __________ his eyesight.
---Couldyoutellme? ---Hishomeisquitefarawayfromtheoffice,Ithink.
---Miss Li has taught ____ English for about 3 years. ---You are lucky. ____ is a very good teacher.
---Do you like your maths teacher? ---Sure, because he is the teacher ___ helps me a lot.