The head engineer is in ________ the project .
The professor has received the letter ____ to give a lecture in ftinceton Institute.
Could it be in the restaurant in ____ you had dinner with me yesterday ____ you lost your handbag?
The man, ____ legs were badly hurt by a ______worker, was____to hospital at once.
No sooner had he got home than he ____his coat and sat down at the table.
You ____ pay too much attention to your reading skill. It's so important.