-----What’s happening? I feel the house _____.  -----An earthquake!
#96453
A
shake
B
to shake
C
shaking
D
shaken
推荐题目
______that blood diseases are going to continue, we’ll have to______ them. 
#93223
A
Assumed; doing research at
B
Assuming; do research on
C
Assuming; do research for
D
Being assumed; do research on