Clean-Up Day is coming. How to let more people know it?We could ______ advertisements after school.
If you are weak ____ a subject, ______your teacher for advice can help.
It’s 12 April today. Have they found any useful information about the plane’s black box?—Flight MH370? Yes, but it’s difficult to decide where the black box really is.
I’ll speak to Peter about his lessons when he ______ back from school. [ ]
Must we clean the classroom now?——No ,you _______.