---Someone’s been here. Who ___ it be? It looks like Helen.
---It ___ be Helen.She is ill in hospital.
| A．must; must | B．might; could | C．can; mustn’t | D．can; can’t |
相关试题
_____ of the land in that district _______ covered with trees and grass.
| A．Two fifth; is | B．Two fifth; are | C．Two fifths; is | D．Two fifths; are |
--I’d like to invite you to dinner this Saturday.
--_______.
| A．Oh, no, let’s not | B．I’d rather stay at home |
| C．I’m very sorry, but I have other plan | D．Oh, no. That’ll be too much trouble. |
语音知识（共5小题，每小题1分，满分5分）
skim
| A．inspiration | B．organization | C．institute | D．possible |
expand
| A．race. | B．decade | C．mineral | D．bacteria |
worth
| A．thus | B．there | C．thunder | D． though |
hunger
| A．underline | B．circulate | C．argue | D．super |
comment
| A．reduce | B．focus | C．circulate | D．audience |
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