Whenever you are to walk on the ice,__________ that it is solid and safe enough.
#82238
A
examine
B
check
C
try
D
make
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Look before you leap! You have to ______the costs of the new system against the benefits it will bring.
#68302
A
weigh
B
match
C
defend
D
Fight
It’s very surprising that Lucy _____ German so quickly—she hasn’t lived there very long.
#66684
A
picked up
B
looked up
C
put up
D
made up
The new play ____ four parts, each of which is very fascinating.
#70846
A
is composed of
B
composes of
C
makes up of
D
made up
We asked the teacher to explain _______.
#71655
A
us the sentence
B
us of the sentence
C
the sentence to us
D
the sentence for us