Tourism is the ______ for the country’s economy, so its government tries its best to ______ both the natural scenery and the places of interest.
| A．center; protect | B．heart; reserve | C．focus; keep | D．engine; preserve |
相关试题
John told me he’d like to go hiking with me, his voice _______joy.
| A．was heavy with | B．was full of | C．heavy with | D．full with |
----What _______ the children be doing?
----They _______ be playing a game called Bingo.
| A．might; can | B．can; might | C．might; might | D．can; can |
It’s required that mineral resources_______ hand in hand with the local environment protection.
| A．be exploited | B．exploit | C．have exploited | D．exploited |
Some children were seen _______in the garden all the morning. It must have been _______who picked the flowers.
| A．playing; they | B．to play; they | C．playing; them | D．play; them |
lly _______volunteering.推荐套卷
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