Look at the mess the boys made! You _______ have taught them how to behave themselves.
A.must | B.may | C.can | D.should |
In the lab, keeping things clean and organized can help provide a safer ________.
A. |
system |
B. |
method |
C. |
investment |
D. |
environment |
Nowadays many people travel across China ________ high-speed trains.
A. |
on behalf of |
B. |
by means of |
C. |
at cost of |
D. |
in terms of |
In the spring, a season ________ we are 1earning new rhythms of life , many of us find comfort in the natural world.
A. |
when |
B. |
where |
C. |
what |
D. |
which |
It's a good idea to choose a(n) ________ destination in case your first-choice tourist spot is not available.
A. |
annual |
B. |
exact |
C. |
alternative |
D. |
pleasant |
The police searched the area for several days. ________, they found the piece of evidence they were looking for.
A. |
Generally |
B. |
Originally |
C. |
Eventually |
D. |
Unfortunately |