In my opinion, more importance should be ________ to developing students’ abilities to solve problems.
Every Monday, my English teacher would cheerfully ask me _______ my weekend had been.
---The zookeeper was really annoyed with me. --- How could he have been if you _______ stones at the animals?
---Do I have to bring my camera tomorrow afternoon? ---I think so.We _______ the Botanical Garden then.
We have an adviser on hand in this activity _______ you have any worries or problems.
The spread of the Ebola virus in Nigeria is believed _______ by August, 2014.