_______they visited the Science Museum, they showed great interest in everything they saw.A For the first time B. At firstC. At the first time D. The first time
She remains optimistic (乐观的) in spite of so much hardship she has _______ .
----Did you forget about my birthday? ----I’ve booked a table at Michel’s restaurant for this evening.
At last, they reached _______ there was no grass and trees.
–Have you talked to him? --Yes. _________ I met him in Beijing on business.
In the good care of the nurses, the boy is_____ recovering from his heart operation.