—Miss Li, must we hand in our homework right now?—No, you ____.You can hand it in tomorrow.
They thought __________ important to look right and left when ________ the road.
---When did you arrive the day before yesterday? --_________2:30p.m.________3:00p.m.
--Would you like coffee, coke________ milk?---__________________.Just some green tea, please.
---Natural disasters are dangerous! ---Yes,________ earthquake that happened in Philippines killed __________ number of people.
The teacher asked the students _________________.