Just after putting away the dishes, _______.
#93684
A
the doorbell was rung
B
mother heard the doorbell ring
C
someone knocked at the door
D
the doorbell rang loud
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Seeing the car trapped in the snow drift, the driver didn’t know ______ it.
#94921
A
how to do
B
what to do
C
how to deal with
D
how to do with
No matter how  ______,scientists are eager to know more about it by exploring.
#92869
A
an ocean may be deep
B
deep may an ocean be
C
deep an ocean may be
D
may an ocean be deep
__ won’t be of much help. 
#94030
A
Tom’s going
B
Tom going
C
tom to go
D
Tom goes