While Mary ___ a letter, the children were playing outside.

While Mary ___ a letter, the children were playing outside.

#39841

wrote

writes

is writing

was writing

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A lot of trees ______ in our school last year.

#41655

plant

planted

are planted

were planted

 — What          in Yuyao Ningbo this time yesterday ?—I hear it was raining heavily and soon there was a big flood there.

#38328

happened

was happened

was happening

is happening

What ____________ at nine o’clock last Sunday morning.?

#40551

was you doing

were you doing

are they doing

do you do

Now my father __________ his bike to work every day instead of driving.

#41902

ride

rode

rides

will ride

The boy ________have ________ brothers ________ sisters.

#37203

don’t, any, and

doesn’t, any, or

don’t, some, or

doesn’t, any, and

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