Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
18.Grammar.Verbtense.Part5
1. 110. Most scientists doubt Dr. Richards’ claim to _____ signs of microscopic life on Mars.
(a) find
(b) finding
(c) are found
(d) having found (x)
có phải là verb tense?
131. Many theorists contend that constructivism represents a viable model for explaining how
mathematics _____.
(a) learn
(b) is learned (x)
(c) are learned
(d) is to learn
134. Southern Star Energy currently _____ more than 130 oil wells in Texas and Oklahoma.
(a) operates (x)
(b) operating
(c) operations
(d) has operated