Choose the correct structure of this sentence “He gave Laura a present.”
| A．S+V+DO | B．S+V+IO+DO |
| C．S+V+P | D．S+V+DO+OC |
--More and more students wear glasses in our school these days.
--I agree with you. Students ___ keep on doing eye exercises to protect their eyes.
A.should B.mightC.shall
--Why do you want to be a teacher, David?
--Because I like children and I can feel happy ___ them.
A.in B.between C.among
--Eric, is this your umbrella?
--No, it's not ____. It's Tom's.
A.my B.mine C.his
I'll spend as much time as I can _ in an old people's home.
A.help B.to help C.helping
_ they were quite tired, _ they continued working.
A. Though, / B. Although, but C. Because, so