Hebuiltatelescope____hecouldstudytheskiesinhisfreetime.
Hedidn'tknowwhichroom____.
A、theylived
B、theylivedin
C、didtheylive
D、didtheylivein
Facedwithrapidinflationand_____internationalandhomemarkets,manyfirmshavedeclaredbankrupt.
A、lessening
B、shortening
C、shrinking
D、withdrawing
Ifhe____ontouristsforhisbusiness,hewouldhavetoclosehisshop.
A、depends
B、willdepend
C、depended
D、haddepended
Everybodyhasarrived.It'stimewe____.
A、wouldstart
B、shallstart
C、started
D、hadstarted