I can’t ____ what has happened to the vegetables, for they were freshly picked this morning.
A. draw out B. look
out 
figure
out D. carry out
I will buy this type of car _____ the price is brought down to under 10,000 dollars.
A. even if B.
provided that 
unless
D. whether
Daniel’s family _____ their holiday in Huangshan this time next week.
A. are enjoying B.
are to enjoy 
will
enjoy D. will be enjoying
It’s quite ______ me why such things have been allowed to happen.
A. for B.
against 
behind
D. beyond
– Did you visit the famous museum?
– No. We ______ it, but we spent too much time shopping.
A. could have visited B. must have visited
can’t
have visited D. shouldn’t have visited
why
D. where