The physics teacher once said that we first _____the lightning followed by thunders because light ______ faster than sound.
| A．see; traveled | B．saw; traveled |
| C．saw; travels | D．see; travels |
You should visit your parents _____, even when you are very busy.
| A．by and by | B．more or less | C．step by step | D．now and then |
I still remember ______ to the south where we attempted _____ the river, which proved to be dangerous.
| A．to be take; crossing | B．to be taken; to cross |
| C．being taken; crossing | D．being taken; to cross |
—Please give me a call when you get home and let me know you are safe.
—_____.
| A．I can | B．I will | C．I should | D．I am going to |
I am _____ to hear the _____ news that my brother has passed the driving test.
| A．delighted; delight | B．delighted; delightful |
| C．delightful; delighting | D．delightful; delighted |
—Our English teacher is so great!
—_____, especially his oral English.
| A．I couldn’t agree more | B．That’s all right |
| C．I’m not sure about it | D．I don’t agree with you |