Mathematics as well as physics always me lots of headaches.
A: has caused
B: are causing
C: cause
D: causes
A: has caused
B: are causing
C: cause
D: causes
举一反三
- Which of the following is a correctly worded main point for a speech preparation outline? A: Migraine headaches and their causes. B: There are three major causes of migraine headaches. C: Causes of migraine headaches. D: Why people get migraine headaches.
- It rained heavily, ____ severe flooding in the area. A: caused B: causing C: to cause D: and caused
- Global warming is mainly _______ by greenhouse gases emission. A: cause B: to cause C: causing D: caused
- – Have they found out the _____ of the fire? -- Yes. It was a cigarette end that _____ the fire. A: cause; started B: reason; caused C: causing; caused D: reason; cause
- It rained heavily in the south, ______ serious flooding in many places. A: caused B: to cause C: having caused D: causing