the money for the ticket must ______ at once.
we must _(派;寄)for the doctor at once
must i see a doctor at once? no, you___see a doctor for the
He spent 20 dollars,i the money for the ticket to the concer
We must wait for the green lights at all the ______(cross).
“These animals must be sent to the zoo at once ”
the letter _ _(must post) at once 被动语态
i booked the ticket at once.i want to see it as soon as poss
Must I wait for you at the bus stop?Yes,you ______
——I have no money for the ticket.——Oh
Before you buy a plane ticket you must look at the t_____ fi
the ticket to和the ticket for的区别
The doctor have to operate ______ him at once.