Many people stood near the bus stop, nervously waiting________.
#89804
A
to pick up
B
picking up
C
to be picked up
D
being picked up
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__________ her son for half a month, Marcia decided to leave for Texas with the hope of finding him.
#94490
A
Not heard from
B
Having not heard from
C
Not to hear from
D
Not having heard from
Better _____ all the lights are turned off before you leave the classroom.
#97559
A
to be sure
B
to make sure
C
be sure
D
make sure
The wonderful time they had been looking forward ____ at last.
#97310
A
to arrive    
B
to arrived   
C
to arriving  
D
should arrive