The living room is clean and tidy, with a dining table already_____ for a meal to be cooked.
A.laid |
B.laying |
C.to lay |
D.being laid |
Tom asked the candy makers (糖果制造商) if they could make the chocolate easier____ into small pieces.
A.break |
B.breaking |
C.broken |
D.to break |
Scientists are convinced______ the positive effect of laughter______ physical and mental health.
A.of ; at |
B.by ; in |
C.of ; on |
D.on ; at |
Exactly when the first people arrived in ________ we now know as California, no one really knows.
A.which |
B.what |
C.that |
D.it |
The patent officer ______ with my file explained to me that a plant variety is not a/an _______ invention as it is a result of adjusting growth scientifically.
A.dealing; abrupt |
B.dealt; innocent |
C.deals; practical |
D.dealing; valid |
The scientist __________ the experiment for half a year, but he _______ yet.
A.made; didn’t succeed |
B.made; hasn’t succeeded |
C.was making; didn’t succeed |
D.has been making; hasn’t succeeded |