They have arrived at lunchtime but their flight was delayed.
| A．will | B．can | C．must | D．should |
Living in _______ ever increasingly fast-paced world, we are facing greater competition, so we must take _______ advantage of every opportunity to develop.
| A．an; the | B．an; 不填 | C．the; an | D．the; 不填 |
---Michael was late for Mr. Smith’s oral class this morning.
---_____? As far as I know, he never came late to class.
| A．How come | B．So what | C．Why not | D．What for |
---Whereyou put my dictionary?
---I left it on your desk when youto Tom.
| A．did; spoke | B．have; were speaking |
| C．had; were speaking | D．had; spoke |
Please do me a favor — ______ my friend Mr. Smith to Youth Theater at 7:30 tonight.
| A．to invite | B．inviting | C．invited | D．invite |
---Do you drink?
---.It’s years since I drank.
| A．Yes，I do | B．Not too much | C．No，I don’t | D．A lot |