As you know, it is my duty to __________ my younger sisters from being hurt when they are in danger.
A.prevent | B.keep | C.stop | D.protect |
Lily’s mobile phone was left in a taxi accidentally,never______again.
A.to find | B.to be found | C.finding | D.being found |
Hearing his words,I couldn’t decide ______or remain.
A.whether to go abroad | B.if I go abroad |
C.if to go abroad | D.to go abroad |
The man we followed suddenly stopped and looked as if ______ whether he was going in the right direction.
A.seeing | B.having seen | C.to see | D.to have seen |
Tom pretended______it but in fact,he knew it very well.
A.not listen to | B.not to hear about |
C.not to have heard about | D.not to be listening to |
Without facts,we can’t form a correct opinion,for we need to have actual knowledge______our thinking.
A.which to be based on | B.which to base on |
C.on which to base | D.which to base |