A.How oldB.How farC.How manyD.How often

【题目】Jack will go back to his hometown tomorrow. Let's go to the airport to _______.
A.see off him
B.see him off
C.pick him up
D.pick up him

【题目】— Is Huanghe River the longest river in China?— No. It's the second ________. The Changjiang River is the longest.

A.long
B.longer
C.longest

A.calculateB.calculatingC.to calculateD.calculated

【题目】— I heard that there were few trees on the mountain behind your village.— It used to be. But ________ trees were planted last month.

A.the number of
B.a number of
C.number of

A.someone; AnyoneB.anyone; SomeoneC.someone; EveryoneD.anyone; Everyone

A. don’t doB. does notC. doesn’t doD. isn’t do

【题目】— How do you like living in China?— I feel I'm lucky to live in the country _______ has many beautiful mountains and famous rivers.

A.where
B.whose
C.which

A.How many; how manyB.How many; how much

C.How much; how muchD.How much; how many

【题目】I couldn't wait _______ his gift and couldn't help _______ when I saw it.
A.to open; to cry
B.to open; crying
C.opening; to cry
D.opening; crying