He tried his best to solve the problem, _______difficult it was.
#68277
A
no matter
B
no matter how
C
whatever
D
although
________, it began to rain unexpectedly.
#68281
A
While cleaning the machine
B
To clean the machine
C
He was cleaning the machine
D
While he was cleaning the machine
_____by a greater demand for vegetables, farmers have built more green houses.
#68282
A
Driven
B
Being driven
C
to drive
D
Having driven
While____the dog,you should take care not to____.Otherwise,it may be dangerous to strangers.
#68287
A
walking; get loose
B
walk; be loose
C
walking for; get it loose
D
training; get it run
Once ____ in the forest, you ought to remain ____ you are waiting for help.
#68298
A
losing; where
B
losing; there
C
lost; there
D
lost; where
-      the football match?-Class Three.
#68300
A
Which team do you think will win
B
Do you think which team will win
C
Do you think will which team win
D
Which team will you think win
Nowadays workers are earning       per month as they did in the 1990s.
#68301
A
twice as much as
B
as twice as much
C
as much twice as
D
twice as much
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