The students can’t go home________they finish cleaning the classroom，for it’s their duty．
| A．when |
| B．since |
| C．if |
| D．until |
相关试题
—Ellen，how about going to Hong Kong Ocean Park together?
—_____!
A. Enjoy yourself
B. Sounds great
C. Have a good trip
—Philip has gone to New Zealand.
—Oh, can you tell me________？
A. when did he leave
B. when he is leaving
C．when he left
--Mum, I’m leaving for Beijing tomorrow.
--OK! You’d better ring me up you get there.
A. until B. as soon as C. because
粤公网安备 44130202000953号