1. The commuter can _________ facts.
A. gather and to store B. gather and stored
C. gather and storing D. gather and store (D)
2. The city was plagued by traffic congestion last year，_________.
A. but it isn’t this year B. but not this year
C. but it hasn’t this year D. but it hadn’t this year (A)
并列句型，前后一致 plague 混乱; traffic congestion交通阻塞;
时态要一致
3. The crewman switched on portable flashlights as the engineer _________ the scene.
A.has surveyed B. surve;C. was surveying;D. is surveying (C)
进行时态表将来;
4. We _________a solution to this problem by the end of this month.
A. must B. will C. must find D. can (C)
must的基本用法www.yingyusanji.com
5. The old woman neither _________anything when the policemen asked her about the accident.
A. replied nor say B. replied nor said C. reply nor said D. replies nor says (B)
前后时态要一致;
