We shall not start the project until it ____ by the committee.

Have you seen my watch anywhere, Lucy—Is it the one your uncle bought for you in Hong Kong

Whenever a patient needs an injection of Penicillin, the doctor does need to make sure whether his patient is ___ to the medicine.

He ________ in a foreign trade company for five years, but he now is a volunteer teacher in a village

My friend Jennifer, ______ help I’ve made great progress in my studies, will leave for the UK next week.