It was a nice meal, _______ a little expensive.
| A．though | B．whether | C．since | D．that |
That is the only way we can imagine __________ the overuse of water in students' bathrooms.
| A．reducing | B．reduced |
| C．to reduce | D．reduce |
It's wise of parents to chat and exchange ideas with their kids __________ dinner.
| A．for | B．at |
| C．over | D．with |
My uncle is a very humourous person, and he often __________ us for hours with funny stories.
| A．encourages | B．entertains |
| C．educates | D．directs |
These two Christmas trees are of __________ size, but the one they bought yesterday is maybe twice __________ size of them.
| A．the; the | B．a; the |
| C．a; a | D．the; a |
-Have you seen the robber __________？
-Why ask me? You are the only one who stands __________ to him.
| A．clear; close | B．clearly; closely |
| C．clear; closely | D．clearly; close |