________ to the trial, this small electronic device was only developed for military use.
—Who takes _____ charge of the work? —It is in ____ charge of Lily.
—I’m afraid I can’t go to your party; I have lots of things to do. —________.
When she heard the news, tears came to her eyes.
You don't need to describe her. Iher several times.
Did you pay a visit to the Great Wall .the time when you were in Beijing?