— The woman biologist stayed in Africa studying wild animals for 13 years before she returned. — Oh, dear! She ______ a lot of difficulties!
| A．may go through | B．might go through |
C．ought to have gone through | D．must have gone through |
相关试题
Opportunities are always _______ as long as we use our minds.
| A．available | B．permanent | C．relative | D．stable |
Maggie has been fortunate to find a job she loves and , ______ ,she gets well paid for it.
| A．sooner or later | B．that is | C．what's more | D．as a result |
. If they are interested, we’ll _____ further
discussion.
| A．apply | B．achieve | C．absorb | D．arrange |
A ______ with the party in power will have a bad influence on the social stability.
| A．constitution | B．construction | C．collision | D．connection |
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