China came up to the sixth place in the world _____ economic aggregate(经济总量)。
A. instead of B. in favor of C. in exchange for D. in terms of
It’s unfair! You sit there, listening to me, _____ I stand here, teaching you.
A. as B. when C. while D. since
Only _____ our courage beats our fear ________________.
A. when; can we succeed B. if; we can succeed
C. because; will we succeed D. while; we’ll be able to succeed
Three fourths of the surface of the earth ______ covered with water.
A. are B. is C. will be D. was
We finally bought a house, _________ about seven feet by ten.
A. measured B. measuring C. is measured D. measures
The US is ___ number 7, while the UK is _____ the 13th position.
A. on; in B. in; at C. at; in D. of; on
