My sister met him at the Grand Theatre yesterday afternoon, so he _______ your lecture.
A. couldn't attend B. mustn’t have attended
C. shouldn't attend D. couldn’t have attended
China’s new food law provides for a food recall system _______ producers have to stop production if their food isn’t up to standards.
A. where B. that C. when D. which
Can you imagine that rats eat 40 to 50 times _______.
A. by weight B. their weight C. in weight D. of their weight
How long do you think _______ the computer company turns out a new product?
A. it will be that B. will it be until C. will it be since D. it will be before
---Hello. May I speak to Bill, please?
---- ________.
A. Bill speaking B. I’m Bill C. You are speaking to Bill D. I’m speaking
--- Good morning. How much should I pay for these books ________ to Alabama?
---- Hm, about ten dollars.
A. to be sent B. being sent C. sent D. having been sent
