. I crossed the street to _____meeting him, but he saw me and came running towards me
| A．get | B．avoid | C．try | D．stop |
It’s freezing outside. You ______put on your coat.
| A．had better to | B．had better | C．would rather | D．would better to |
Jack asked his brother Betty.
| A．did he know | B．if he knows | C．does he know | D．whether he knew |
I have heard from my father, is in American.
| A．which | B．that | C．from whom | D．who |
Swan Lake is a famous ballet(芭蕾) in four acts, ________ on a German fairy tale.
| A．basing | B．based | C．bases | D．to base |
He had no idea of how the climb would be _______ he was half way up the mountain.
| A．when | B．until | C．while | D．as |