---- I am not able to solve some practical problems using Newton’s First Law of Motion.
----That’s just _______ most of the students are puzzled easily.
| A．what | B．why | C．how | D．where |
Clearness of______is more important than beauty of language.
| A．words | B．way | C．manners | D．statement |
I spoke slowly,but my meaning________.
| A．wasn’t got across | B．wasn’t got at | C．didn’t get across | D．didn’t get for |
He promised to help me and then_________.
| A．back out | B．backed out | C．backed of | D．backed on |
The two brothers are_____each other in appearance,but_____widely in their tastes.
| A．like,differ | B．likely,differ | C．like,difference | D．likely,different |
He eats hardly enough to keep body and _____together.
| A．heart | B．head | C．hand | D．soul |