—May I watch TV for a while？

—No,you .You have to finish your homework first.

A．shouldn't B.needn't C.mustn't D.won't

[单选题]While on watch in the engine room, you hear a continuous sounding of the general alarm. Which of the following actions should you take?A．Make an entry in the official logbookB．Open the master control valves on the fixed CO2 systemC．Start the fire pum

[单选题]__________you suspect something, I may as well tell you the whole truth.A． SinceB． UntilC． AfterD． While

[单选题]While（）an enquiry，you ought to enquire into quality，specification and price etC．A . givingB . offeringC . sendingD . making

[单选题]You may use the room as you like ___ you clean it up afterwards.A． so far as B. so long asC. in caseD. even if

[单选题]_____you may have, you should gather your courage to face the challenge.A． However a serious problemB． What a serious problemC． However serious a problemD． What serious a problem

[单选题]If you are ______something, you may say, "It's cool".A． afraid ofB． angry aboutC． interested inD． unhappy with

[单选题]7． Will you ________ my baby while I- m away?A． look outB． take careC． look forD． look after

[单选题]Good morning, sir.May I help you?_________。A.Yes, I don't buy anything.B.No

[主观题]May I ask why you decided to choose our corporation?

[单选题]ABC Company, may I help you?- _________A.I am Jack. May I speak to Miss Jen