21．----Would you like me to call a taxi for you?
---- ____ .
A．Would you? Please
B．I'd like to
C．Please do. Thank you just the same
D．No, it'll trouble you
22． --Can I give you a call on Sunday?
-- Sure, but I _______ to the mountains, so call me on my cell phone.
A. is driving B. drove C. have been driving drove D. will be driving
23．Tsunami, a Japanese word, translated as “harbor wave”, is caused by ___ sudden rise or fall of part of the earth’s surface under or near ____ ocean.
A. a, the B.不填, the C, a, 不填 D. a, a