It was in the lab______ was taken charge of by Professor Zhang ____ they did the experiment.
He admitted that when ______ comes to repairing a computer, he had little knowledge of it.
The old temple ______ roof was damaged in a storm is now under repair.
2,000 adults will be questioned to see ______ they think ghosts are real on Halloween.
______ the instructions very carefully when filling in the form.
She laid a tablecloth ______ the dining table to keep dust ______ it.