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【題目】I won’t turn off the lights _______ the last one leaves.

【題目】—Did he_______your invitation?

【題目】How kind Mike is! He always does what he can_______others.

【題目】The tall building stands in a quiet place_______the main road.

【題目】Jack is always so busy that he can hardly_______ a few minutes to talk to his family.

【題目】_______we make an effort to prepare carefully, we may fail the coming exam.

【題目】—This is__________book we’ve read several times.

【題目】The student reported to the teacher ________ he did not feel well.

【題目】—When ________ the first practical light bulb ________?

【題目】We flew over ________ Pacific to Calgary, Canada. Then we went to a ski resort by ________ bus in the Canadian Rockies.