试题题干
WORD FORMATION
Complete each of the following sentences with the proper form of the word in brackets.
（commit）He has a lot of
for he has agreed to pay his brother's school expenses.
参考答案
试题解析
本题考查常见动词的名词形式。
空缺处前为a lot of“许多”，故空缺处应填名词。commit是动词意为“承诺、保证”，其名词形式是commitment意为“责任、承诺”，符合题意。commitment作“责任”含义时是可数名词，故需使用复数形式commitments。
句意：他肩上担负着很多责任，因为他已经同意支付他弟弟的学费。