---Must I clean the window now? ---No, you ______.
We had to be patient because it ______ some time ______ we got the full results.
______ about the missing Beijing-bound Malaysian flight that he decided to look for more information about it.
______ the help of the teacher, the student who wasn’t good at math ______ the difficult problem quickly.
—I think G.E.M. is a talented singer. —I agree with you ______.
When the teacher came in, the students pretended _____ the text.