— Has Mary ever visited Tower Bridge?—Yes. She ______ it two years ago.
The foreigners arrived _________ Beijing late _________ a rainy evening.
—Would you like to go hiking with us tomorrow? —Sure, ________ I am busy.
Sally takes more time on her study because she believes ________ she does, _______ she’ll be.
—In my opinion, the government take _________ to deal with the drought in the three southwest province. —I quite agree with you. I took part in the contribution.
-----Do you know ______ man under the tree? ------Oh, he is _______ university teacher.