Every morning Mr. Smith takes a ______ to his office.
A．20 minutes’ walk B．20 minute’s walk C．20-minutes walk D．20-minute walk
How wonderful! The _____is made of _________.
A．house , glass B．house, glasses C．houses, glass D．houses, glasses
What ______just now?
A. was happened B. were happened C. happened D. happens
They ______Hong Kong twice.
A. have gone to B. have been to C. have been in D. have gone in
A young man practised ______ English with Mr Green.
A. speak B. speaking C. to speak D. speak in
How long ____it ___to go there by train?
A. do, take B. does, take C. does, spend D. does, play
