【单选题】I made a call to my parents yesterday. To my disappointment, ______of them answered it.
【单选题】in my poinion,_____english is more different than writing.so l should put more effort in it.
【单选题】关于的酶的化学本质的说法,正确的是 ( )
【多选题】绝大部分酶的化学本质是(),并且具有()和()。
【单选题】—Have you seen my e-mail about our TESL project? —Yes. Luckily I checked my e-mails yesterday. Normally I my e-mail box for days.
【单选题】—Have you seen my e-mail about our TESL project? — Yes. Luckily I checked my e-mails yesterday. Normally I ______ my e-mail box for days. [ ]
【单选题】My boss had sat on my project for a month before he declared it as _________ .
【单选题】---Have you seen my e-mail about our TESL, project? ---Yes. Luckily, I checked my e-mails yesterday. Normally, I my e-mail-box for days.