.--How long have you ________there? --About four years. ~A．comeB．goneC．le

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.--How long have you ________there? --About four years. ~

A．come

B．gone

C．left

D．worked

答案

解析

略

举一反三

--Excuse me, Look at the sign NO SMOKING! --Sorry, I ________ it.

A．don"t see

B．didn"t see

C．haven"t seen

D．won"t see

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--Why not go to see the dolphin show with me? --Because I ________it.
A. saw B. will see C. see D, have seen

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The students will go to the Summer Palace if it ________tomorrow.

A．won" t rain

B．isn" t raining

C．doesn" t rain

D．isn" t rain

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--What did you do last night? --I _______TV with my family.

A．watch

B．am watching

C．have watched

D．watched

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--Alice, you ________ on the phone. --I" m coming. Thanks.
A. want B-. are wanted C. are wanting .D. have wanted

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