【单选题】
The train ____by the time Mr. Black arrived.
【单选题】
Mr. Wang, _________, is coming up to us.
【单选题】
Mr.Yangisverybusy.He_____twelvehoursaday.Hewillcallyouassoonashe___back.
【单选题】
Mr.Johnpromisedtolook________Sandra’spaper,thatis,toreaditcarefullybeforethedefense
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/2D063AF5B311701A4E6578B02DC89412.png title=28.png alt=28.png/>
【单选题】
脑发育性静脉异常的MR表现为:
③
增强扫描(Madusa Head)“水母头状”
【单选题】
对于反应<img class="kfformula" src="20200629/1593408362686817.png" data-latex="{2SO}_{2}+{O}_{2}-{2SO}_{3}" width="124" height="28"/>正反应放热,增大压强,平衡()移动。
【单选题】
Mr. John was busy, ____ he could not come.