On our way to school, suddenly it began to rain, and we hurried to take______under a big tree.
A.recovery |
B.notice |
C.advantage |
D.shelter |
I can still remember that it is since the 1990’s, _____ we began to use cell phones,_______ the number of mobile users has greatly increased.
A.while; when |
B.when; what |
C.before; that |
D.when; that |
Every one of us must know this: _________ we live can we save the earth.
A.by changing the way only |
B.by only changing the way |
C.only by changing the way |
D.by changing only the way |
During the period of recent terrorist activities, people _____ not to touch an unattended bag.
A.had always been warned |
B.were always being warned |
C.are always warning |
D.always warned |
—What a great cook your sister is!
—Yeah! We ______ never have enough of her cookies.
A.may |
B.must |
C.should |
D.can |
It is difficult to find a satisfying job today.This job is great ________ salary, but it has some disadvantages.
A.in terms of |
B.in case of |
C.in favor of |
D.on top of |