---- Look! The man at the gate ________ be our headmaster. He is always standing there every morning.

--- - No, it ________ be him. He is holding a meeting in the office now.

A．must, can’t B.must, mustn’t C.can’t, can’t D.can’t, mustn’t

Come here and look at these pictures.This is a picture of a man,Mr.Brown,and a b

A . look into B . look at C . look upYoucancontactyourlocalpoliceofficetoreport

[多选题] GATE指什么（）A .进闸机B .出闸机C .边门D .双向闸机

The correct description of OR GATE?A. As long as one of the inputs is high, the

B.look in C.look for D.look into

[问答题] GATE是指什么？

A.ask for B.look for C.look up D.look intoIfyoudon'tknowthephrase,youcan_thedict

A did a man stand B stood a man C a man stood D a man standing23.Undertheappletr

[单选题]Look! _______.A.Here the bus comesB.Here comes the busC.Comes here the busD

[问答题] 什么是阶段门（Stage-Gate）模型？