______ a clear head when in danger and you’ll protect yourself from serious harm.
A. To keep B. If you keep
C. Keeping D. Keep
If it ______ fine tomorrow, we would go boating on the Lianhua Lake.
A. were B. is
C. will be D. would be
It was the first time that I ______ such a strong typhoon.
A. have experienced B. had experienced
C. experience D. experienced
Would you mind ______ the door? I can’t make it with both hands occupied.
A. to open B. for me to open
C. opening D. my opening
Claire's car wasn't there, so she ______ have gone to her mother's.
A. would B. should
C. can D. must
What’s strange is that through the middle of the building ______.
A. lies a light railway B. does lie a light railway
C. a light railway lies D. does a light railway lie
